San Juan Capistrano sits inland from Dana Point and Capistrano Beach, north of San Clemente, south of Mission Viejo and Laguna Niguel, and west of the open land that turns into Rancho Mission Viejo and Riverside County. It's not a beach city, but its southwestern edge is close enough to the coast that elevation and marine orientation become real pricing variables.
The city is laid out around a short list of corridors, and an agent who knows them can place almost any property in seconds.
Interstate 5 runs north and south through town. It's the primary transportation corridor, a physical divider, a noise and air-quality factor for nearby homes, and the practical line between the coastal-facing western side and the eastern foothill markets.
Ortega Highway (SR-74) runs east and west. It anchors the lower Ortega estate market, the Hunt Club corridor, the private school pocket, the upper Ortega foothill communities, and the route out toward Rancho Mission Viejo.
Del Obispo Street and Alipaz cover the flatter valley floor: agricultural roots, The Farm, several attached and manufactured-home communities, and the drive down toward Dana Point.
San Juan Creek Road and Valle Road frame the San Juan Hills market, golf-oriented housing, and central foothill properties.
Camino Capistrano and the rail corridor run through downtown, the historic core, the northern industrial and attached-housing stretch, and several older residential neighborhoods.
Other streets worth knowing by name: La Novia Avenue, Rancho Viejo Road, Junipero Serra Road, Camino del Avion, Valle Road, Camino Las Ramblas, La Pata Avenue, and Antonio Parkway. San Juan Creek and Trabuco Creek are the two major waterways, and both shape development patterns and property diligence.
The real question isn't "where in San Juan Capistrano is this property?" It's "which geographic system is this property part of?"