diff --git a/src/Helldivers-2-Core/Mapping/V1/PlanetMapper.cs b/src/Helldivers-2-Core/Mapping/V1/PlanetMapper.cs
index bea89bc..c6343b3 100644
--- a/src/Helldivers-2-Core/Mapping/V1/PlanetMapper.cs
+++ b/src/Helldivers-2-Core/Mapping/V1/PlanetMapper.cs
@@ -94,13 +94,19 @@ private Planet MapToV1(MappingContext context, PlanetInfo info, PlanetStatus sta
     private Region MapToV1(Models.ArrowHead.Info.PlanetRegion region, Models.ArrowHead.Status.PlanetRegionStatus? status, MappingContext context)
     {
         string? owner = null;
+        (string Name, string? Description)? planetRegion = null;
         if (status is { Owner: var faction })
             Static.Factions.TryGetValue(faction, out owner);
 
-        Static.PlanetRegion.TryGetValue(region.SettingsHash, out var planetRegion);
+        if (Static.PlanetRegion.ContainsKey(region.SettingsHash))
+            planetRegion = Static.PlanetRegion[region.SettingsHash];
+
         return new Region(
-            Name: planetRegion.Name,
-            Description: planetRegion.Description,
+            Id: region.RegionIndex,
+            Hash: region.SettingsHash,
+            Name: planetRegion?.Name,
+            Description: planetRegion?.Description,
+            Health: status?.Health,
             MaxHealth: region.MaxHealth,
             Size: (RegionSize)region.RegionSize,
             RegenPerSecond: status?.RegerPerSecond,
diff --git a/src/Helldivers-2-Models/V1/Planets/Region.cs b/src/Helldivers-2-Models/V1/Planets/Region.cs
index ab0cd51..3c0b6d6 100644
--- a/src/Helldivers-2-Models/V1/Planets/Region.cs
+++ b/src/Helldivers-2-Models/V1/Planets/Region.cs
@@ -2,9 +2,17 @@
 
 /// <summary>
 /// A region on a planet.
+///
+/// The <c>Name</c> and <c>Description</c> fields may be empty when the underlying data store doesn't contain information on them.
+/// This is typically when ArrowHead adds new regions that aren't updated in the data store (helldivers-2/json) yet.
+///
+/// Note that some properties may be unavailable when the region is inactive.
 /// </summary>
+/// <param name="Id">The identifier of this region.</param>
+/// <param name="Hash">The underlying hash identifier of ArrowHead.</param>
 /// <param name="Name">The name of the region.</param>
 /// <param name="Description">A long-form description of the region.</param>
+/// <param name="Health">The current health of the region.</param>
 /// <param name="MaxHealth">The maximum health of this region.</param>
 /// <param name="Size">The size of this region.</param>
 /// <param name="RegenPerSecond">The amount of health this region generates when left alone.</param>
@@ -12,8 +20,11 @@
 /// <param name="IsAvailable">Whether the region is currently playable(?).</param>
 /// <param name="Players">The amount of helldivers currently active in this region.</param>
 public record struct Region(
-    string Name,
-    string Description,
+    int Id,
+    ulong Hash,
+    string? Name,
+    string? Description,
+    long? Health,
     ulong MaxHealth,
     RegionSize Size,
     double? RegenPerSecond,
diff --git a/src/Helldivers-2-Models/json b/src/Helldivers-2-Models/json
index 5d08918..ca7a5d2 160000
--- a/src/Helldivers-2-Models/json
+++ b/src/Helldivers-2-Models/json
@@ -1 +1 @@
-Subproject commit 5d08918c6ada366f755dacdb0644308fcf88b1be
+Subproject commit ca7a5d2d34d6ac124b6952409ce28da91597a1e6
diff --git a/src/Helldivers-2-SourceGen/Parsers/BaseJsonParser.cs b/src/Helldivers-2-SourceGen/Parsers/BaseJsonParser.cs
index a4ad984..6ff839a 100644
--- a/src/Helldivers-2-SourceGen/Parsers/BaseJsonParser.cs
+++ b/src/Helldivers-2-SourceGen/Parsers/BaseJsonParser.cs
@@ -11,6 +11,7 @@ namespace Helldivers.SourceGen.Parsers;
 public abstract class BaseJsonParser : IJsonParser
 {
     private const string TEMPLATE = @"// <auto-generated />
+#nullable enable
 #pragma warning disable CS1591 // Missing XML comment for publicly visible type or member
 using global::System.Collections.Generic;
 using global::Helldivers.Models.Domain.Localization;
diff --git a/src/Helldivers-2-SourceGen/Parsers/PlanetRegionsParser.cs b/src/Helldivers-2-SourceGen/Parsers/PlanetRegionsParser.cs
index 3a2e09a..bb5eaf6 100644
--- a/src/Helldivers-2-SourceGen/Parsers/PlanetRegionsParser.cs
+++ b/src/Helldivers-2-SourceGen/Parsers/PlanetRegionsParser.cs
@@ -12,7 +12,7 @@ public class PlanetRegionsParser : BaseJsonParser
     /// <inheritdoc />
     protected override (string Type, string Source) Parse(string json)
     {
-        var builder = new StringBuilder("new Dictionary<ulong, (string Name, string Description)>()\n\t{\n");
+        var builder = new StringBuilder("new Dictionary<ulong, (string Name, string? Description)>()\n\t{\n");
         var document = JsonDocument.Parse(json);
         foreach (var property in document.RootElement.EnumerateObject())
         {
@@ -28,6 +28,6 @@ protected override (string Type, string Source) Parse(string json)
         }
 
         builder.Append("\t}");
-        return ("IReadOnlyDictionary<ulong, (string Name, string Description)>", builder.ToString());
+        return ("IReadOnlyDictionary<ulong, (string Name, string? Description)>", builder.ToString());
     }
 }