San Juan–Bayamón–Caguas metropolitan area

San Juan metropolitan area

*Área metropolitana de San Juan*
San Juan metropolitan area Área metropolitana de San Juan
Metropolitan Area
	Bayamón and Cataño San Juan and Guaynabo Carolina and Trujillo Alto Caguas Old San Juan to Isla Verde, Carolina Condado and Miramar in Santurce, San Juan
	Nickname(s): Área Metro (Metro Area); ; La Losa ("the slab")
	Map of Puerto Rico with urbanized areas ; demarcated in orange to yellow
Statistical areas in Puerto Rico	Core municipalities of San Juan–Bayamón–Caguas MSA within San Juan–Bayamón CSA Outer municipalities of San Juan–Bayamón–Caguas MSA within San Juan–Bayamón CSA Arecibo MSA within San Juan–Bayamón CSA Guayama MSA within San Juan–Bayamón CSA Lares μSA within San Juan–Bayamón CSA Utuado μSA within San Juan–Bayamón CSA Coco μSA within San Juan–Bayamón CSA Mayagüez–Aguadilla CSA & Ponce–Coamo CSA Municipalities outside statistical areas
	Core municipalities of San Juan–Bayamón–Caguas MSA within San Juan–Bayamón CSA Outer municipalities of San Juan–Bayamón–Caguas MSA within San Juan–Bayamón CSA Arecibo MSA within San Juan–Bayamón CSA Guayama MSA within San Juan–Bayamón CSA Lares μSA within San Juan–Bayamón CSA Utuado μSA within San Juan–Bayamón CSA Coco μSA within San Juan–Bayamón CSA Mayagüez–Aguadilla CSA & Ponce–Coamo CSA Municipalities outside statistical areas
Country	United States
Territory	Puerto Rico
Principal cities	San Juan, Bayamón, Caguas, and Guaynabo
Population (2023)
• MSA	2,035,733
• CSA	2,360,082
Time zone	UTC−4

The San Juan–Bayamón–Caguas metropolitan area, most commonly known as the San Juan metropolitan area (Spanish: área metropolitana de San Juan), is the largest and most populous metropolitan statistical area (MSA) in Puerto Rico, concentrated in the capital municipality of San Juan and surrounding municipalities, including Bayamón, Caguas, and Carolina, on the northeastern coastal plain of the main island. One of 6 metropolitan statistical areas in Puerto Rico, it is within the San Juan–Bayamón combined statistical area (CSA), which is one of 3 primary statistical areas in the archipelago as defined by the United States Census Bureau. As of 2023, the estimated population of the San Juan–Bayamón–Caguas metropolitan area is 842,535 in municipalities in the conurbation and 1,193,198 in municipalities outside the urban core, making it the fourth largest in the insular Caribbean.