diff --git a/src/cli.rs b/src/cli.rs
index 9413d98..16aed06 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -7,6 +7,7 @@ use log::{debug, info};
 use nonempty::nonempty;
 use popgetter::{
     config::Config,
+    data_request_spec::{self, DataRequestSpec, GeometrySpec},
     formatters::{
         CSVFormatter, GeoJSONFormatter, GeoJSONSeqFormatter, OutputFormatter, OutputGenerator,
     },
@@ -77,6 +78,11 @@ pub struct DataCommand {
         help = "Force run without prompt"
     )]
     force_run: bool,
+    #[arg(
+        long = "no-geometry",
+        help = "When set, no geometry data is included in the results"
+    )]
+    no_geometry: bool,
 }
 
 impl From<&OutputFormat> for OutputFormatter {
@@ -108,6 +114,16 @@ impl RunCommand for DataCommand {
         let popgetter = Popgetter::new_with_config(config).await?;
         let search_results = popgetter.search(self.search_params_args.clone().into());
 
+        // Make DataRequestSpec
+        // TODO: possibly implement From<(DataCommand, SearchParams)> for DataRequestSpec
+        let data_request_spec = DataRequestSpec {
+            geometry: GeometrySpec {
+                include_geoms: !self.no_geometry,
+                ..Default::default()
+            },
+            ..Default::default()
+        };
+
         // sp.stop_and_persist is potentially a better method, but not obvious how to
         // store the timing. Leaving below until that option is ruled out.
         // sp.stop_and_persist(&COMPLETE_PROGRESS_STRING, spinner_message.into());
@@ -132,7 +148,9 @@ impl RunCommand for DataCommand {
             DEFAULT_PROGRESS_SPINNER,
             spinner_message.to_string() + RUNNING_TAIL_STRING,
         );
-        let mut data = search_results.download(&popgetter.config).await?;
+        let mut data = search_results
+            .download(&popgetter.config, data_request_spec)
+            .await?;
         sp.stop_with_symbol(COMPLETE_PROGRESS_STRING);
 
         debug!("{data:#?}");
@@ -142,8 +160,7 @@ impl RunCommand for DataCommand {
             let mut f = File::create(output_file)?;
             formatter.save(&mut f, &mut data)?;
         } else {
-            let stdout = std::io::stdout();
-            let mut stdout_lock = stdout.lock();
+            let mut stdout_lock = std::io::stdout().lock();
             formatter.save(&mut stdout_lock, &mut data)?;
         };
         Ok(())
diff --git a/src/data_request_spec.rs b/src/data_request_spec.rs
new file mode 100644
index 0000000..8d65a74
--- /dev/null
+++ b/src/data_request_spec.rs
@@ -0,0 +1,149 @@
+use anyhow::Result;
+use serde::{Deserialize, Serialize};
+use std::{
+    ops::{Index, IndexMut},
+    str::FromStr,
+};
+
+use crate::{parquet::MetricRequest, search::MetricId};
+
+#[derive(Serialize, Deserialize, Debug, Default)]
+pub struct DataRequestSpec {
+    pub geometry: GeometrySpec,
+    pub region: Vec<RegionSpec>,
+    pub metrics: Vec<MetricSpec>,
+    pub years: Option<Vec<String>>,
+}
+
+#[derive(Debug)]
+pub struct MetricRequestResult {
+    pub metrics: Vec<MetricRequest>,
+    pub selected_geometry: String,
+    pub years: Vec<String>,
+}
+
+// impl DataRequestSpec {
+//     /// Generates a vector of metric requests from a `DataRequestSpec` and a catalogue.
+//     pub fn metric_requests(
+//         &self,
+//         catalogue: &Metadata,
+//         config: &Config,
+//     ) -> Result<MetricRequestResult> {
+//         // Find all the metrics which match the requested ones, expanding
+//         // any regex matches as we do so
+//         let expanded_metric_ids: Vec<MetricId> = self
+//             .metrics
+//             .iter()
+//             .filter_map(|metric_spec| match metric_spec {
+//                 MetricSpec::Metric(id) => catalogue.expand_regex_metric(id).ok(),
+//                 MetricSpec::DataProduct(_) => None,
+//             })
+//             .flatten()
+//             .collect::<Vec<_>>();
+
+//         let full_selection_plan =
+//             catalogue.generate_selection_plan(&expanded_metric_ids, &self.geometry, &self.years)?;
+
+//         info!("Running your query with \n {full_selection_plan}");
+
+//         let metric_requests =
+//             catalogue.get_metric_requests(full_selection_plan.explicit_metric_ids, config)?;
+
+//         Ok(MetricRequestResult {
+//             metrics: metric_requests,
+//             selected_geometry: full_selection_plan.geometry,
+//             years: full_selection_plan.year,
+//         })
+//     }
+// }
+
+#[derive(Serialize, Deserialize, Debug)]
+pub enum MetricSpec {
+    Metric(MetricId),
+    DataProduct(String),
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct GeometrySpec {
+    pub geometry_level: Option<String>,
+    pub include_geoms: bool,
+}
+
+impl Default for GeometrySpec {
+    fn default() -> Self {
+        Self {
+            include_geoms: true,
+            geometry_level: None,
+        }
+    }
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub enum RegionSpec {
+    BoundingBox(BBox),
+    Polygon(Polygon),
+    NamedArea(String),
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct Polygon;
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub struct BBox(pub [f64; 4]);
+
+impl Index<usize> for BBox {
+    type Output = f64;
+
+    fn index(&self, index: usize) -> &Self::Output {
+        &self.0[index]
+    }
+}
+
+impl IndexMut<usize> for BBox {
+    fn index_mut(&mut self, index: usize) -> &mut Self::Output {
+        &mut self.0[index]
+    }
+}
+
+impl FromStr for BBox {
+    type Err = &'static str;
+    fn from_str(value: &str) -> Result<Self, Self::Err> {
+        let parts: Vec<f64> = value
+            .split(',')
+            .map(|s| s.trim().parse::<f64>().map_err(|_| "Failed to parse bbox"))
+            .collect::<Result<Vec<_>, _>>()?;
+
+        if parts.len() != 4 {
+            return Err("Bounding boxes need to have 4 coords");
+        }
+        let mut bbox = [0.0; 4];
+        bbox.copy_from_slice(&parts);
+        Ok(BBox(bbox))
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    #[test]
+    fn bbox_should_parse_if_correct() {
+        let bbox = BBox::from_str("0.0,1.0,2.0,3.0");
+        assert!(bbox.is_ok(), "A four coord bbox should parse");
+    }
+
+    #[test]
+    fn bbox_should_not_parse_if_incorrect() {
+        let bbox = BBox::from_str("0.0,1.0,2.0");
+        assert!(
+            bbox.is_err(),
+            "A string with fewer than 4 coords should not parse"
+        );
+        let bbox = BBox::from_str("0.0,1.0,2.0,3.0,4.0");
+        assert!(
+            bbox.is_err(),
+            "A string with 5 or more coords should not parse"
+        );
+        let bbox = BBox::from_str("0.0sdfsd,1.0,2.0");
+        assert!(bbox.is_err(), "A string with letters shouldn't parse");
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
index d21216f..225eea4 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -11,6 +11,7 @@ pub use column_names as COL;
 // Modules
 pub mod column_names;
 pub mod config;
+pub mod data_request_spec;
 pub mod error;
 #[cfg(feature = "formatters")]
 pub mod formatters;
diff --git a/src/search.rs b/src/search.rs
index 0ace36f..2bd112f 100644
--- a/src/search.rs
+++ b/src/search.rs
@@ -2,7 +2,8 @@
 
 use crate::{
     config::Config,
-    geo::get_geometries,
+    data_request_spec::DataRequestSpec,
+    geo::{get_geometries, BBox},
     metadata::ExpandedMetadata,
     parquet::{get_metrics, MetricRequest},
     COL,
@@ -307,6 +308,11 @@ impl From<SearchParams> for Option<Expr> {
 #[derive(Clone, Debug)]
 pub struct SearchResults(pub DataFrame);
 
+pub(crate) struct DownloadConfig {
+    pub bbox: Option<BBox>,
+    pub include_geometry: bool,
+}
+
 impl SearchResults {
     /// Convert all the metrics in the dataframe to MetricRequests
     pub fn to_metric_requests(self, config: &Config) -> Vec<MetricRequest> {
@@ -352,7 +358,11 @@ impl SearchResults {
 
     // Given a Data Request Spec
     // Return a DataFrame of the selected dataset
-    pub async fn download(self, config: &Config) -> anyhow::Result<DataFrame> {
+    pub async fn download(
+        self,
+        config: &Config,
+        data_request_spec: DataRequestSpec,
+    ) -> anyhow::Result<DataFrame> {
         let metric_requests = self.to_metric_requests(config);
         debug!("metric_requests = {:#?}", metric_requests);
         let all_geom_files: HashSet<String> = metric_requests
@@ -366,19 +376,26 @@ impl SearchResults {
         if all_geom_files.len() > 1 {
             panic!("Multiple geometries not yet supported");
         }
-        // TODO Pass in the bbox as the second argument here
-        let geoms = get_geometries(all_geom_files.iter().next().unwrap(), None);
-
-        // try_join requires us to have the errors from all futures be the same.
-        // We use anyhow to get it back properly
-        let (metrics, geoms) = try_join!(
-            async move { metrics.await.map_err(anyhow::Error::from) },
-            geoms
-        )?;
-        debug!("geoms: {geoms:#?}");
-        debug!("metrics: {metrics:#?}");
-
-        let result = geoms.inner_join(&metrics?, [COL::GEO_ID], [COL::GEO_ID])?;
+
+        let result = if data_request_spec.geometry.include_geoms {
+            // TODO Pass in the bbox as the second argument here
+            let geoms = get_geometries(all_geom_files.iter().next().unwrap(), None);
+
+            // try_join requires us to have the errors from all futures be the same.
+            // We use anyhow to get it back properly
+            let (metrics, geoms) = try_join!(
+                async move { metrics.await.map_err(anyhow::Error::from) },
+                geoms
+            )?;
+            debug!("geoms: {geoms:#?}");
+            debug!("metrics: {metrics:#?}");
+            geoms.inner_join(&metrics?, [COL::GEO_ID], [COL::GEO_ID])?
+        } else {
+            let metrics = metrics.await.map_err(anyhow::Error::from)??;
+            debug!("metrics: {metrics:#?}");
+            metrics
+        };
+
         Ok(result)
     }
 }