diff --git a/crates/ely_browser_core/src/state/commands.rs b/crates/ely_browser_core/src/state/commands.rs
index 71cc928..1012eeb 100644
--- a/crates/ely_browser_core/src/state/commands.rs
+++ b/crates/ely_browser_core/src/state/commands.rs
@@ -216,6 +216,9 @@ impl BrowserCore {
             "sleep-tab-group" | "sleep tab group" | "discard-tab-group" | "discard tab group" => {
                 Ok(self.discard_active_tab_group()?.is_some())
             }
+            "close-tab-group" | "close tab group" | "archive-tab-group" | "archive tab group" => {
+                Ok(self.close_active_tab_group()?.is_some())
+            }
             "downloads" | "open-downloads" | "open downloads" => {
                 self.open_tab(downloads_url()?);
                 Ok(true)
diff --git a/crates/ely_browser_core/src/state/tab_groups.rs b/crates/ely_browser_core/src/state/tab_groups.rs
index f733c59..757e8d9 100644
--- a/crates/ely_browser_core/src/state/tab_groups.rs
+++ b/crates/ely_browser_core/src/state/tab_groups.rs
@@ -93,6 +93,25 @@ impl BrowserCore {
         Ok(Some(tab_ids.len()))
     }
 
+    pub fn close_active_tab_group(&mut self) -> Result<Option<usize>, CoreError> {
+        let Some(group_id) = self.active_tab_group_id()? else {
+            return Ok(None);
+        };
+        let tab_ids = self.active_space_group_tab_ids(&group_id);
+
+        for tab_id in &tab_ids {
+            self.clear_tab_group(tab_id)?;
+        }
+
+        self.tab_groups.retain(|group| group.id() != &group_id);
+
+        for tab_id in &tab_ids {
+            self.close_tab(tab_id)?;
+        }
+
+        Ok(Some(tab_ids.len()))
+    }
+
     pub fn split_active_tab_group(&mut self) -> Result<Option<SplitId>, CoreError> {
         let Some(group_id) = self.active_tab_group_id()? else {
             return Ok(None);
diff --git a/crates/ely_browser_core/tests/tab_groups.rs b/crates/ely_browser_core/tests/tab_groups.rs
index a7ebc9d..45713dc 100644
--- a/crates/ely_browser_core/tests/tab_groups.rs
+++ b/crates/ely_browser_core/tests/tab_groups.rs
@@ -1,7 +1,7 @@
 use std::error::Error;
 
 use ely_browser_core::{BrowserCore, CoreError, InitialBrowserConfig};
-use ely_domain::{CommandIntent, MAX_SPLIT_PANES, SplitAxis, TabState, UrlText};
+use ely_domain::{ArchiveSource, CommandIntent, MAX_SPLIT_PANES, SplitAxis, TabState, UrlText};
 
 #[test]
 fn group_active_tab_creates_visible_space_group() -> Result<(), Box<dyn Error>> {
@@ -203,6 +203,56 @@ fn sleep_tab_group_command_preserves_query_without_active_group() -> Result<(),
     Ok(())
 }
 
+#[test]
+fn close_tab_group_command_archives_active_group_tabs() -> Result<(), Box<dyn Error>> {
+    let mut core = BrowserCore::new(InitialBrowserConfig::ely_defaults()?)?;
+    let ungrouped_tab_id = core.open_tab(UrlText::parse("https://servo.org")?);
+    let first_group_tab_id = core.open_tab(UrlText::parse("https://example.com/a")?);
+    core.group_active_tab("Docs")?;
+    let second_group_tab_id = core.open_tab(UrlText::parse("https://example.com/b")?);
+    core.group_active_tab("Docs")?;
+
+    core.set_command_query(">close-tab-group");
+    let intent = core.submit_command()?;
+    let snapshot = core.snapshot()?;
+    let archived_tab_ids =
+        snapshot.archived_tabs.iter().map(|archived| archived.tab().id()).collect::<Vec<_>>();
+
+    assert_eq!(intent, Some(CommandIntent::Command("close-tab-group".to_string())));
+    assert_eq!(snapshot.command_query, "");
+    assert!(snapshot.tab_groups.is_empty());
+    assert!(snapshot.tabs.iter().any(|tab| tab.id() == &snapshot.active_tab_id));
+    assert_ne!(snapshot.active_tab_id, first_group_tab_id);
+    assert_ne!(snapshot.active_tab_id, second_group_tab_id);
+    assert_eq!(tab_state(&snapshot, &ungrouped_tab_id), Some(&TabState::Ready));
+    assert!(archived_tab_ids.contains(&&first_group_tab_id));
+    assert!(archived_tab_ids.contains(&&second_group_tab_id));
+    assert!(
+        snapshot
+            .archived_tabs
+            .iter()
+            .all(|archived| archived.source() == &ArchiveSource::ManualClose)
+    );
+    assert!(snapshot.archived_tabs.iter().all(|archived| archived.tab().group_id().is_none()));
+    Ok(())
+}
+
+#[test]
+fn close_tab_group_command_preserves_query_without_active_group() -> Result<(), Box<dyn Error>> {
+    let mut core = BrowserCore::new(InitialBrowserConfig::ely_defaults()?)?;
+    let active_tab_id = core.open_tab(UrlText::parse("https://example.com")?);
+
+    core.set_command_query(">close-tab-group");
+    let intent = core.submit_command()?;
+    let snapshot = core.snapshot()?;
+
+    assert_eq!(intent, Some(CommandIntent::Command("close-tab-group".to_string())));
+    assert_eq!(snapshot.command_query, ">close-tab-group");
+    assert_eq!(snapshot.active_tab_id, active_tab_id);
+    assert!(snapshot.archived_tabs.is_empty());
+    Ok(())
+}
+
 #[test]
 fn tab_group_collapse_commands_update_active_group() -> Result<(), Box<dyn Error>> {
     let mut core = BrowserCore::new(InitialBrowserConfig::ely_defaults()?)?;
diff --git a/docs/ui-shell.md b/docs/ui-shell.md
index 143dae6..cff768b 100644
--- a/docs/ui-shell.md
+++ b/docs/ui-shell.md
@@ -103,3 +103,18 @@ Group sleep applies the sleeping state to every tab in the active group:
 │   servo.org                  │  [Restore]                                    │
 └──────────────────────────────┴───────────────────────────────────────────────┘
 ```
+
+Group close archives every tab in the active group and removes the empty group row:
+
+```text
+┌──────────────────────────────────────────────────────────────────────────────┐
+│ ELY Browser   [ >close-tab-group............................ ] [pin] [*] [+] │
+├──────────────────────────────┬───────────────────────────────────────────────┤
+│ Tabs                         │  servo.org                                    │
+│   New Tab                    │  https://servo.org                            │
+│   servo.org                  │                                               │
+│ Archive                      │  Closed group tabs appear in Archive          │
+│   example.com                │                                               │
+│   example.com                │                                               │
+└──────────────────────────────┴───────────────────────────────────────────────┘
+```