Mexican state

The United Mexican States are a federation made up by thirty-one free and sovereign states. These states conform one federated State or Union, the federal government, which has exclusive jurisdiction over the Federal District, a territory which does not belong to any state but to all, as well as the islands, atolls and reefs that do not belong to any state. The Federal District is coextensive with Mexico City, capital of the federation and seat of government. The 31 states and the Federal District are collectively called federal entities (entidades federativas in Spanish).
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