1. The legally recognized and formally established borders or limits of a geographic area, territory, jurisdiction, or property
The official boundaries of the city were redrawn after the merger of two municipalities.
Os limites oficiais da cidade foram redesenhados após a fusão de dois municípios.
2. Formally demarcated lines that separate one region, state, or country from another according to law or agreement
The treaty established the official boundaries between the two nations.
O tratado estabeleceu os limites oficiais entre as duas nações.