La Carlota

La Carlota did not grow slowly over centuries — it was designed and built. In 1767, King Carlos III decided to populate stretches of the Guadalquivir valley and Sierra Morena that had been left largely empty and had become a haven for bandits preying on the stagecoach route between Cádiz and Madrid. The legal framework for the project was the Fuero de las Nuevas Poblaciones de Andalucía, which set up three main colonisation zones, each with a capital town: La Carolina in Jaén, La Luisiana in Sevilla, and La Carlota in Córdoba.

Two leading figures of the Spanish Enlightenment drove the plan: the statesman Campomanes and Pablo de Olavide, who was appointed commissioner for the colonisation. The job of actually recruiting settlers was handed to an adventurer named Juan Gaspar de Thurriegel, who brought roughly 6,000 Catholic colonists from Germany and Flanders, along with smaller numbers from Catalonia and Valencia. Around 1,600 of them settled in La Carlota. Their descendants are still here — Central European surnames and physical features persist among the town's population today.

The Enlightenment thinking behind the project shaped the town's layout directly. Rather than organic lanes, La Carlota was given a rational grid of streets crossing at right angles, laid out on both sides of the Camino Real — the royal road that became the national highway linking Cádiz to Madrid. Administratively, the municipality was divided into "departments" rather than villages, reflecting French influence, and La Carlota served as capital of the western colonies, overseeing San Sebastián de los Ballesteros, Fuente Palmera, and La Luisiana.

The railway arrived in June 1885, when the Écija–La Carlota section of a planned line opened, connecting the town to the wider Spanish network and making the movement of people and goods to Córdoba considerably easier. The line ran until its closure in 1971. Among the town's notable figures are writers Juan Bernier and Ricardo Crespo, and the footballer Pablo Navas Alors.

La Carlota's buildings reflect its 18th-century origins almost entirely. The most architecturally substantial is the Real Posada, or Royal Post House, a neoclassical building with some Baroque detail that was purpose-built to lodge travellers, merchants, and their animals on the Cádiz–Madrid road. It is a large, rational two-storey structure in exposed brick, with rectangular windows on the ground floor, arched balconies above, and a prominent entrance arch on the main façade flanked by pilasters. A long internal courtyard connects the front and rear entrances. As of April 2017 the building was undergoing restoration.

The parish church, the Parroquia de la Inmaculada Concepción, is in the Sevillian Baroque style. Construction began in 1769 and the main body was finished a decade later, though the portico was not completed until 1785–88 and the sacristy came even later. Inside, three naves run the length of the church, the central one wider and higher than the two lateral ones, separated by semicircular arches on columned pedestals. The façade is fronted by a three-arch portico flanked by twin towers; the arch spandrels hold niches with stone figures of Saint Peter and Saint Paul, made by Miguel Arjona Navarro in 1968.

The Casa de la Intendencia, an 18th-century monumental building with a colonnaded central courtyard, now houses the town hall. A municipal archaeological and ethnographic museum occupies the former prison building and holds collections spanning prehistory, Roman, and Arab periods, with particular focus on the founding colony — the settlers' origins, traditions, surnames, clothing, and tools. The town cemetery is one of the oldest in the province of Córdoba, and its gateway portal, dating from the late 18th century, is the oldest cemetery entrance in the province. Other surviving structures include an 18th-century royal mill now used for municipal offices, a late-18th-century grain store in brick whose upper floor is in a ruinous state, and a handful of original colonial houses, several in poor condition. A monument to painted eggs — a tradition brought by the European colonists — was inaugurated on the town promenade in 2024.