Template:CaliforniaSpanishPresidios

Four Spanish Presidios (Forts) were built by the Spanish Governors of California in what was known as Alta California (Upper California). The four Presidios were the Presidio of San Diego, the Presidio of Santa Barbara, the Presidio of Monterey and the Presidio of San Francisco. Each of the California Presidios was the headquarters of a military district:

• Presidio of San Diego - Military District # 1
• Presidio of Santa Barbara - Military District # 2
• Presidio of Monterey - Military District # 3
• Presidio of San Francisco - Military District # 4

Each of the Presidios had a number of missions associated with it in the surrounding military district. The Presidio was responsible for the military protection of the missions and converts but normally had only a small number of troops actually posted at each mission. The majority of the garrison remained in reserve at each presidio.