diff --git a/src/data_monitor.py b/src/data_monitor.py
index 29f1d9d..2fd4c71 100644
--- a/src/data_monitor.py
+++ b/src/data_monitor.py
@@ -15,10 +15,31 @@ _MONITOR_KEY = os.getenv("MONITOR_API_KEY", "")
 _cache: dict[str, tuple] = {}
 
 
+@router.get("/monitor-incidents")
+async def get_monitor_incidents():
+    """Holt Liste aller Lagen vom Monitor."""
+    cache_key = "incidents"
+    if cache_key in _cache and time.time() - _cache[cache_key][0] < 300:
+        return _cache[cache_key][1]
+    try:
+        async with httpx.AsyncClient(timeout=10) as client:
+            r = await client.get(
+                f"{_MONITOR_URL}/globe-incidents",
+                headers={"X-API-Key": _MONITOR_KEY},
+            )
+            r.raise_for_status()
+            data = r.json()
+            _cache[cache_key] = (time.time(), data)
+            return data
+    except Exception as e:
+        logger.warning(f"Monitor incidents Fehler: {e}")
+        return []
+
+
 @router.get("/monitor-feed")
-async def get_monitor_feed(incident_id: int = Query(45)):
+async def get_monitor_feed(incident_id: int = Query(None)):
     """Holt OSINT-Daten vom AegisSight Monitor."""
-    cache_key = f"monitor:{incident_id}"
+    cache_key = f"monitor:{incident_id or 0}"
     if cache_key in _cache and time.time() - _cache[cache_key][0] < 120:
         return _cache[cache_key][1]
 
diff --git a/static/css/globe.css b/static/css/globe.css
index 9c15d06..a79d767 100644
--- a/static/css/globe.css
+++ b/static/css/globe.css
@@ -412,3 +412,24 @@ html, body { height: 100%; overflow: hidden; background: var(--bg-primary); colo
     font-size: 11px;
     color: var(--text-dim);
 }
+
+
+/* === Lage-Selector === */
+.header-lage { display: flex; align-items: center; }
+.lage-select {
+    background: rgba(255,255,255,0.05);
+    border: 1px solid var(--border);
+    border-radius: 4px;
+    color: var(--accent);
+    font-family: var(--font-mono);
+    font-size: 11px;
+    padding: 4px 8px;
+    cursor: pointer;
+    max-width: 300px;
+    outline: none;
+}
+.lage-select:hover { border-color: var(--accent); }
+.lage-select option {
+    background: var(--bg-primary);
+    color: var(--text);
+}
diff --git a/static/index.html b/static/index.html
index 6185aa2..606b06d 100644
--- a/static/index.html
+++ b/static/index.html
@@ -34,7 +34,7 @@
             </svg>
             <span class="header-title">AegisSight Globe</span>
         </div>
-        <div class="header-stats" id="header-stats"></div>
+        <div class="header-lage"><select id="lage-select" class="lage-select" onchange="Globe._onLageChange(this.value)"><option value="">-- Lage waehlen --</option></select></div><div class="header-stats" id="header-stats"></div>
         <div class="header-actions">
             <button class="header-btn" id="btn-fullscreen" title="Vollbild">
                 <svg viewBox="0 0 24 24" width="16" height="16" fill="none" stroke="currentColor" stroke-width="2"><polyline points="15 3 21 3 21 9"/><polyline points="9 21 3 21 3 15"/><line x1="21" y1="3" x2="14" y2="10"/><line x1="3" y1="21" x2="10" y2="14"/></svg>
diff --git a/static/js/app.js b/static/js/app.js
index d69626c..1d89445 100644
--- a/static/js/app.js
+++ b/static/js/app.js
@@ -5,6 +5,7 @@ const Globe = {
     viewer: null,
     layers: {},
     _statsInterval: null,
+    _currentLageId: null,
     _labelsLayer: null,
 
     init() {
@@ -83,6 +84,7 @@ const Globe = {
         this._toggleLabels(true);
         if (typeof VisualModes !== 'undefined') VisualModes.init();
         if (typeof Sidebar !== 'undefined') Sidebar.init();
+        this._loadLagen();
         document.getElementById('bottom-stats').textContent = 'Globe initialisiert — Lade Daten...';
     },
 
@@ -107,6 +109,35 @@ const Globe = {
         }
     },
 
+    _loadLagen() {
+        var select = document.getElementById('lage-select');
+        if (!select) return;
+        fetch('/api/monitor-incidents')
+        .then(function(r) { return r.json(); })
+        .then(function(lagen) {
+            var html = '<option value="">-- Lage waehlen --</option>';
+            (lagen || []).forEach(function(l) {
+                var typeLabel = l.type === 'research' ? '[R] ' : '[L] ';
+                html += '<option value="' + l.id + '">' + typeLabel + l.title + '</option>';
+            });
+            select.innerHTML = html;
+        })
+        .catch(function() {});
+    },
+
+    _onLageChange(lageId) {
+        this._currentLageId = lageId ? parseInt(lageId) : null;
+        // Monitor-Layer aktualisieren wenn aktiv
+        if (typeof MonitorLayer !== 'undefined' && MonitorLayer._points) {
+            MonitorLayer._data = [];
+            MonitorLayer._incidents = [];
+            MonitorLayer._render();
+            if (lageId) MonitorLayer._fetchForLage(lageId);
+        }
+        // Sidebar aktualisieren
+        if (typeof Sidebar !== 'undefined') Sidebar.update();
+    },
+
     _setupLayerToggles() {
         var toggles = {
             'layer-monitor': function(on) { on ? MonitorLayer.start(Globe.viewer) : MonitorLayer.stop(); },
diff --git a/static/js/layers/monitor.js b/static/js/layers/monitor.js
index 8cd7ccb..1a75c7f 100644
--- a/static/js/layers/monitor.js
+++ b/static/js/layers/monitor.js
@@ -120,13 +120,34 @@ const MonitorLayer = {
         });
     },
 
+    _fetchForLage(lageId) {
+        var self = this;
+        var loadEl = document.getElementById('loading-monitor');
+        var statusEl = document.getElementById('status-monitor');
+        if (loadEl) loadEl.classList.add('active');
+        if (statusEl) { statusEl.textContent = 'Lade Lage-Daten...'; statusEl.classList.add('active'); }
+        fetch('/api/monitor-feed?incident_id=' + lageId)
+        .then(function(r) { return r.json(); })
+        .then(function(data) {
+            self._data = data.features || [];
+            self._incidents = data.incidents || [];
+            self._count = self._data.length;
+            self._render();
+            var title = self._incidents.length ? self._incidents[0].title : '';
+            if (statusEl) statusEl.textContent = self._count + ' Orte' + (title ? ' (' + title + ')' : '');
+        })
+        .catch(function(e) { console.warn('Monitor error:', e); if (statusEl) statusEl.textContent = 'Fehler'; })
+        .finally(function() { if (loadEl) loadEl.classList.remove('active'); setTimeout(function() { if (statusEl) statusEl.classList.remove('active'); }, 8000); });
+    },
+
     _fetch() {
         var self = this;
         var loadEl = document.getElementById('loading-monitor');
         var statusEl = document.getElementById('status-monitor');
         if (loadEl) loadEl.classList.add('active');
         if (statusEl) { statusEl.textContent = 'Lade Monitor-Daten...'; statusEl.classList.add('active'); }
-        fetch('/api/monitor-feed')
+        var lageId = (typeof Globe !== 'undefined' && Globe._currentLageId) ? Globe._currentLageId : '';
+        fetch('/api/monitor-feed' + (lageId ? '?incident_id=' + lageId : ''))
         .then(function(r) { return r.json(); })
         .then(function(data) {
             self._data = data.features || [];