San Juanball is the capital and largest city of Puerto Ricoball.
San Juanball was founded by the Spanish Empireball in 1521, who called it Ciudad de Puerto Rico (City of Puerto Rico). That makes him the second oldest cityball founded by 2ball's in the Americas. Several historic buildings are located in San Juan, among the most notable are the city's old defensive fortifications, the forts San Felipe del Morro and San Cristobal, and La Fortaleza, the oldest official residence in continuous use in the Americas.
The city has hosted numerous major sporting events such as the Pan American Games in 1979, one of the venues for the 2006 and 2009 World Baseball Classic and the Caribbean Series.
Originally, he was called Puerto Ricoball, while the whole island was called San Juanball.