diff --git a/_data/chains/eip155-11110.json b/_data/chains/eip155-11110.json
new file mode 100644
index 00000000..ae536dab
--- /dev/null
+++ b/_data/chains/eip155-11110.json
@@ -0,0 +1,30 @@
+{
+  "name": "Astra",
+  "chain": "Astra",
+  "rpc": ["https://rpc.astranaut.io", "https://rpc1.astranaut.io"],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Astra",
+    "symbol": "ASA",
+    "decimals": 18
+  },
+  "infoURL": "https://astranaut.io",
+  "shortName": "astra",
+  "chainId": 11110,
+  "networkId": 11110,
+  "icon": "astra",
+  "explorers": [
+    {
+      "name": "Astra EVM Explorer (Blockscout)",
+      "url": "https://explorer.astranaut.io",
+      "standard": "none",
+      "icon": "astra"
+    },
+    {
+      "name": "Astra PingPub Explorer",
+      "url": "https://ping.astranaut.io/astra",
+      "standard": "none",
+      "icon": "astra"
+    }
+  ]
+}
diff --git a/_data/chains/eip155-11115.json b/_data/chains/eip155-11115.json
new file mode 100644
index 00000000..f951da2e
--- /dev/null
+++ b/_data/chains/eip155-11115.json
@@ -0,0 +1,30 @@
+{
+  "name": "Astra Testnet",
+  "chain": "Astra",
+  "rpc": ["https://rpc.astranaut.dev"],
+  "faucets": ["https://faucet.astranaut.dev"],
+  "nativeCurrency": {
+    "name": "test-Astra",
+    "symbol": "tASA",
+    "decimals": 18
+  },
+  "infoURL": "https://astranaut.io",
+  "shortName": "astra-testnet",
+  "chainId": 11115,
+  "networkId": 11115,
+  "icon": "astra",
+  "explorers": [
+    {
+      "name": "Astra EVM Explorer",
+      "url": "https://explorer.astranaut.dev",
+      "standard": "EIP3091",
+      "icon": "astra"
+    },
+    {
+      "name": "Astra PingPub Explorer",
+      "url": "https://ping.astranaut.dev/astra",
+      "standard": "none",
+      "icon": "astra"
+    }
+  ]
+}
diff --git a/_data/icons/astra.json b/_data/icons/astra.json
new file mode 100644
index 00000000..6bee12e5
--- /dev/null
+++ b/_data/icons/astra.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmaBtaukPNNUNjdJSUAwuFFQMLbZX1Pc3fvXKTKQcds7Kf",
+    "width": 104,
+    "height": 80,
+    "format": "png"
+  }
+]