diff --git a/.changeset/slimy-poets-walk.md b/.changeset/slimy-poets-walk.md
new file mode 100644
index 000000000..f41c71f90
--- /dev/null
+++ b/.changeset/slimy-poets-walk.md
@@ -0,0 +1,5 @@
+---
+'@hyperlane-xyz/registry': minor
+---
+
+add Linea Sepolia Testnet
diff --git a/.changeset/strong-owls-speak.md b/.changeset/strong-owls-speak.md
new file mode 100644
index 000000000..9be3c28c8
--- /dev/null
+++ b/.changeset/strong-owls-speak.md
@@ -0,0 +1,5 @@
+---
+'@hyperlane-xyz/registry': minor
+---
+
+Deploy to gnosis chiado testnet
diff --git a/chains/gnosischiadotestnet/addresses.yaml b/chains/gnosischiadotestnet/addresses.yaml
new file mode 100644
index 000000000..c56d0a91f
--- /dev/null
+++ b/chains/gnosischiadotestnet/addresses.yaml
@@ -0,0 +1,14 @@
+domainRoutingIsmFactory: "0x7c09b92a4818B08b8aA47a11698652fC6Aee11F0"
+interchainAccountIsm: "0xCbCDfC039ED11e0ff461dDDDe0825E4fd454c2b7"
+interchainAccountRouter: "0x4e93f12403eA3AA3e467b2e02044b42912e3cAb0"
+mailbox: "0x7323E06E40B0Fb82Dc26D309AaF14e49D266A6a7"
+merkleTreeHook: "0x9Da0eb6667033e01936cD914b46E32d9560D848B"
+proxyAdmin: "0x75A7BFEd3c9de77c5C27205D6Ddf772744ca48fc"
+staticAggregationHookFactory: "0x50fDFa26b9e9cCFf4Af8d6A0F95FBdc0F78F6E99"
+staticAggregationIsmFactory: "0xe95E3EF49b0fB2151301480d1845E760B5575A39"
+staticMerkleRootMultisigIsmFactory: "0xcE41FAc8bfAcb89f6AF3978E655C8839Ee21803a"
+staticMerkleRootWeightedMultisigIsmFactory: "0x32Ada46916c814704378af86163D1861aD8d4f29"
+staticMessageIdMultisigIsmFactory: "0xEB94C84C1aDB6aBA8866EC457d85374642937E2d"
+staticMessageIdWeightedMultisigIsmFactory: "0xEc02d931299Dc41342fD655f62b79345bA646714"
+testRecipient: "0x4e2d35b59FaC85FEFE30416745e743F9c7CaCB02"
+validatorAnnounce: "0xEb079356da4fE505ebA2018EB4D3B2db036B8Da5"
diff --git a/chains/gnosischiadotestnet/logo.svg b/chains/gnosischiadotestnet/logo.svg
new file mode 100644
index 000000000..7718d2c2d
--- /dev/null
+++ b/chains/gnosischiadotestnet/logo.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 428 428" xml:space="preserve"><path d="M125.8 243.7c12.3 0 24.3-4.1 34-11.6l-78-78a55.7 55.7 0 0 0 10 78.1c9.8 7.4 21.7 11.5 34 11.5z" fill="#3e6957"/><path d="M357.8 188c0-12.3-4.1-24.3-11.6-34l-78 78a55.59 55.59 0 0 0 89.6-44z" fill="#3e6957"/><path d="m397.1 103.1-34.5 34.5c27.8 33.3 23.4 82.9-9.9 110.7a78.55 78.55 0 0 1-100.8 0L214 286.2l-37.8-37.8c-33.3 27.8-82.9 23.4-110.7-9.9a78.55 78.55 0 0 1 0-100.8L47.8 120 31 103.1C10.7 136.5 0 174.9 0 214c0 118.2 95.8 214 214 214s214-95.8 214-214c.1-39.1-10.7-77.5-30.9-110.9z" fill="#3e6957"/><path d="M368.8 66.3c-81.5-85.5-216.9-88.7-302.4-7.2-2.5 2.4-4.9 4.8-7.2 7.2a226.9 226.9 0 0 0-15 17.5L214 253.7 383.8 83.8c-4.6-6.1-9.7-11.9-15-17.5zM214 28c50 0 96.6 19.3 131.6 54.5L214 214.1 82.4 82.5C117.4 47.3 164 28 214 28z" fill="#3e6957"/></svg>
\ No newline at end of file
diff --git a/chains/gnosischiadotestnet/metadata.yaml b/chains/gnosischiadotestnet/metadata.yaml
new file mode 100644
index 000000000..3128c618a
--- /dev/null
+++ b/chains/gnosischiadotestnet/metadata.yaml
@@ -0,0 +1,26 @@
+# yaml-language-server: $schema=../schema.json
+blockExplorers:
+  - apiUrl: https://gnosis-chiado.blockscout.com/api/v2
+    family: blockscout
+    name: Chiado explorer
+    url: https://blockscout.chiadochain.net
+blocks:
+  confirmations: 1
+  estimateBlockTime: 5
+  reorgPeriod: 5
+chainId: 10200
+deployer:
+  name: k4ctuss
+  url: https://github.com/k4ctuss
+displayName: Gnosis Chiado Testnet
+domainId: 10200
+isTestnet: true
+name: gnosischiadotestnet
+nativeToken:
+  decimals: 18
+  name: xDai
+  symbol: xDai
+protocol: ethereum
+rpcUrls:
+  - http: https://gnosis-chiado-rpc.publicnode.com
+technicalStack: other
diff --git a/chains/lineasepolia/addresses.yaml b/chains/lineasepolia/addresses.yaml
new file mode 100644
index 000000000..c56d0a91f
--- /dev/null
+++ b/chains/lineasepolia/addresses.yaml
@@ -0,0 +1,14 @@
+domainRoutingIsmFactory: "0x7c09b92a4818B08b8aA47a11698652fC6Aee11F0"
+interchainAccountIsm: "0xCbCDfC039ED11e0ff461dDDDe0825E4fd454c2b7"
+interchainAccountRouter: "0x4e93f12403eA3AA3e467b2e02044b42912e3cAb0"
+mailbox: "0x7323E06E40B0Fb82Dc26D309AaF14e49D266A6a7"
+merkleTreeHook: "0x9Da0eb6667033e01936cD914b46E32d9560D848B"
+proxyAdmin: "0x75A7BFEd3c9de77c5C27205D6Ddf772744ca48fc"
+staticAggregationHookFactory: "0x50fDFa26b9e9cCFf4Af8d6A0F95FBdc0F78F6E99"
+staticAggregationIsmFactory: "0xe95E3EF49b0fB2151301480d1845E760B5575A39"
+staticMerkleRootMultisigIsmFactory: "0xcE41FAc8bfAcb89f6AF3978E655C8839Ee21803a"
+staticMerkleRootWeightedMultisigIsmFactory: "0x32Ada46916c814704378af86163D1861aD8d4f29"
+staticMessageIdMultisigIsmFactory: "0xEB94C84C1aDB6aBA8866EC457d85374642937E2d"
+staticMessageIdWeightedMultisigIsmFactory: "0xEc02d931299Dc41342fD655f62b79345bA646714"
+testRecipient: "0x4e2d35b59FaC85FEFE30416745e743F9c7CaCB02"
+validatorAnnounce: "0xEb079356da4fE505ebA2018EB4D3B2db036B8Da5"
diff --git a/chains/lineasepolia/logo.svg b/chains/lineasepolia/logo.svg
new file mode 100644
index 000000000..4260b471b
--- /dev/null
+++ b/chains/lineasepolia/logo.svg
@@ -0,0 +1,11 @@
+<svg width="256" height="256" viewBox="0 0 256 256" fill="none" xmlns="http://www.w3.org/2000/svg">
+<rect width="256" height="256" fill="#121212"/>
+<rect width="116" height="122" transform="translate(70 67)" fill="#121212"/>
+<mask id="mask0_5764_4093" style="mask-type:luminance" maskUnits="userSpaceOnUse" x="70" y="67" width="116" height="121">
+<path d="M185.467 67.3063H70V187.94H185.467V67.3063Z" fill="white"/>
+</mask>
+<g mask="url(#mask0_5764_4093)">
+<path d="M165.896 187.94H70V86.8811H91.9411V168.354H165.896V187.93V187.94Z" fill="white"/>
+<path d="M165.896 106.456C176.705 106.456 185.467 97.692 185.467 86.8812C185.467 76.0703 176.705 67.3063 165.896 67.3063C155.087 67.3063 146.324 76.0703 146.324 86.8812C146.324 97.692 155.087 106.456 165.896 106.456Z" fill="white"/>
+</g>
+</svg>
diff --git a/chains/lineasepolia/metadata.yaml b/chains/lineasepolia/metadata.yaml
new file mode 100644
index 000000000..de59cb0e0
--- /dev/null
+++ b/chains/lineasepolia/metadata.yaml
@@ -0,0 +1,24 @@
+# yaml-language-server: $schema=../schema.json
+blockExplorers:
+  - apiUrl: https://api-sepolia.lineascan.build/api
+    family: etherscan
+    name: Linea Sepolia Explorer
+    url: https://sepolia.lineascan.build
+chainId: 59141
+deployer:
+  name: k4ctuss
+  url: https://github.com/k4ctuss
+displayName: Linea Sepolia
+domainId: 59141
+isTestnet: true
+name: lineasepolia
+nativeToken:
+  decimals: 18
+  name: Ether
+  symbol: ETH
+protocol: ethereum
+rpcUrls:
+  - http: https://rpc.sepolia.linea.build
+  - http: https://linea-sepolia-rpc.publicnode.com
+  - http: https://linea-sepolia.blockpi.network/v1/rpc/public
+