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Bahía de Banderas | |
|---|---|
| Country | |
| State | |
| Government | |
| • Federal electoral district | Nayarit's 3rd |
| Population (2020) | |
• Municipality | 187,632 |
| Demonym | (in Spanish) |
| Time zone | UTC−06:00 (Zona Centro) |
Bahía de Banderas (Spanish pronunciation: [ba'i.a ðe βan'deɾas], Spanish for Bay of Flags) is a bay on the Pacific Coast of Mexico, within the Mexican states of Jalisco and Nayarit, being the westernmost municipality in Nayarit. It is also the name of an administrative municipality, located on the bay in Nayarit state. The port and resort city of Puerto Vallarta is on the bay.
The Bahía de Banderas is regarded by most geologists as the original attachment point for the southern cape of the Baja California Peninsula before it was rifted off the North American Plate millions of years ago, forming the Gulf of California.

The Bahía de Banderas (Banderas Bay) on the Pacific Ocean is bounded on the north by Punta Mita (Mita Point), and on the south by Cabo Corrientes (Cape Corrientes). Its coastline is approximately 100 kilometres (62 mi) long.
The Municipality of Bahía de Banderas in Nayarit state has a total area of 773.3 km2. It was created in 1989. Its westernmost headland is Punta Mita, to the south it is on the Bahía de Banderas, and northwards it is on the open Pacific Ocean.
The municipality had a population of 83,739 in 2005 (59,808 in 2000). The long valley of Banderas, and abundance of water, allow for extensive cattle raising. The mountains contain an important ecological reserve in the eastern section.
By Decree number 7261, issued on 11 December 1989 by the Congress of the Free and Sovereign State of Nayarit, the new municipality of Bahía de Banderas was created, which would separate it territorially from the municipality of Compostela, becoming part of the political division of the state of Nayarit as municipality number 20.
The municipality of Bahía de Banderas borders Compostela in Nayarit to the north; the municipalities of Puerto Vallarta and San Sebastián del Oeste, both in Jalisco, to the south, the southeast, and the east; and the Bahía de Banderas and the Pacific Ocean to the west.
The municipal seat is the town of Valle de Banderas, with a population of 5,057 in 2005. Other towns are San Juan de Abajo (8,159), Bucerías (5,711), San José del Valle (5,188), San Vicente (3,543), El Colomo (1,280), and Jarretaderas (3,426).