Portsmouth Square
Portsmouth Square (traditional Chinese: 花園角; simplified Chinese: 花园角; pinyin: Huāyuán jiǎo; Jyutping: Faa1jyun4 Gok3), formerly known as Portsmouth Plaza, and originally known as Plaza de Yerba Buena, or simply La Plaza, is a one-block plaza (1.5-acre (0.61 ha)) in Chinatown, San Francisco, California, United States. Portsmouth Square is the first park in San Francisco, predating both Washington Square (1847) and Union Square (1850).