Treaty of Ambé
| Treaty of Ambé | |
 Coat of Arms of the State of Xingu.
| |
| Created | 15 April 2022 |
| Ratified | 18 April 2022 |
| Location | Concordia, State of Xingu |
| Authors | Emperor-King Oscar |
| Signers |  Emperor-King Oscar Grand Prince André
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| Purpose | Reformation of the Union of Provinces of Xingu into the State of Xingu and establishment of the Karno-Ruthenian protectorate. |
The Treaty of Ambé is a treaty signed between Karnia-Ruthenia and the State of Xingu of Carpathia in which was agreed the Union of Provinces of Xingu, a micronation established on March 2022 but dating back to 2017 would be reformed into the State of Xingu, a protectorate of Karnia-Ruthenia, on the imperial expansion of 2022. The former king and after the treaty, André, Grand Prince of Xingu, also founder of the Xingu State, granted for the Empire the closest imperial state to Ruthenia and the first step in North Region of Brazil.