ABOUT Acinipo
Acinipo is an ancient Roman city located about 20 kilometers from Ronda, in the province of Málaga, southern Spain. Founded more than 2,000 years ago—likely by retired Roman legionaries—it is home to one of the best-preserved Roman theaters in Andalusia. The site is often referred to as Ronda la Vieja (“Old Ronda”), although Acinipo and Arunda (the original settlement of Ronda) coexisted for centuries as separate Roman communities.
Origins of Acinipo and the Battle of Munda
Many historians believe Acinipo was established after the Battle of Munda in 45 BC, a decisive confrontation between Julius Caesar and the sons of Pompey the Great, Gnaeus and Sextus. Although Caesar anticipated an easy victory after defeating Pompey’s main forces in Greece, Munda proved to be a brutal and costly battle. Tens of thousands of Romans died, the outcome was far from clear-cut, and Sextus Pompeius managed to escape, later becoming a legendary pirate and rebel against Caesar’s successor, Augustus.
The exact location of Munda remains debated:
Some historians argue that Munda was the Roman name for modern-day Ronda.
Pliny the Elder, however, places the battle near Osuna, about 50 km north.
Despite these discrepancies, scholars widely agree on one point:
Acinipo was founded as a settlement for Caesar’s veterans,
Arunda (Ronda) was likely an earlier settlement associated with veterans of Pompey’s legions.
A City Built on a Steep Hillside
The geographer Ptolemy described Acinipo as a town of the Celtici in Hispania Baetica, perched atop a lofty mountain. The steep slope of the terrain forced the construction of buildings in staggered levels, giving the city a unique architectural layout that adapted to the rugged landscape.
The Roman Theater of Acinipo
The theater is the most iconic and best-preserved structure on the site. Ingeniously designed, its cavea (seating area) is carved directly into the bedrock, taking advantage of the natural incline. Key features include:
Seating excavated into the mountain slope
A stage built from materials extracted during the construction of the stands
Two lateral vomitoria (public entrances)
A perimeter wall now lost to time
Remarkably, the theater remains in use today for cultural events and performances.
Roman Thermal Baths
The thermal baths, dated to the 1st century BC, lie in the lower part of the city and have undergone recent excavation. Visitors can identify:
- Caldarium (hot room)
- Tepidarium (warm room)
- Additional bathhouse chambers
- Water channels and conduits
- Architectural elements such as columns
Defensive Walls and Towers
Acinipo was surrounded by a defensive wall whose outline is still visible on the surface, although its original height remains unknown. Several circular towers once reinforced the fortifications; portions of their foundations and lower walls can still be seen.
A notable fact: Acinipo held the privilege of minting its own coins, confirmed by numerous numismatic discoveries.
Historical Importance of Acinipo
Acinipo stands out as an exceptional example of Roman urban planning adapted to mountainous terrain and as a city built specifically for retired soldiers. Its theater, thermal baths, and defensive structures offer valuable insight into daily life and military settlement policies in Roman Hispania.
Origins of Acinipo and the Battle of Munda
Many historians believe Acinipo was established after the Battle of Munda in 45 BC, a decisive confrontation between Julius Caesar and the sons of Pompey the Great, Gnaeus and Sextus. Although Caesar anticipated an easy victory after defeating Pompey’s main forces in Greece, Munda proved to be a brutal and costly battle. Tens of thousands of Romans died, the outcome was far from clear-cut, and Sextus Pompeius managed to escape, later becoming a legendary pirate and rebel against Caesar’s successor, Augustus.
The exact location of Munda remains debated:
Some historians argue that Munda was the Roman name for modern-day Ronda.
Pliny the Elder, however, places the battle near Osuna, about 50 km north.
Despite these discrepancies, scholars widely agree on one point:
Acinipo was founded as a settlement for Caesar’s veterans,
Arunda (Ronda) was likely an earlier settlement associated with veterans of Pompey’s legions.
A City Built on a Steep Hillside
The geographer Ptolemy described Acinipo as a town of the Celtici in Hispania Baetica, perched atop a lofty mountain. The steep slope of the terrain forced the construction of buildings in staggered levels, giving the city a unique architectural layout that adapted to the rugged landscape.
Main Monuments of Acinipo
The Roman Theater of Acinipo
The theater is the most iconic and best-preserved structure on the site. Ingeniously designed, its cavea (seating area) is carved directly into the bedrock, taking advantage of the natural incline. Key features include:
Seating excavated into the mountain slope
A stage built from materials extracted during the construction of the stands
Two lateral vomitoria (public entrances)
A perimeter wall now lost to time
Remarkably, the theater remains in use today for cultural events and performances.
Roman Thermal Baths
The thermal baths, dated to the 1st century BC, lie in the lower part of the city and have undergone recent excavation. Visitors can identify:
- Caldarium (hot room)
- Tepidarium (warm room)
- Additional bathhouse chambers
- Water channels and conduits
- Architectural elements such as columns
Defensive Walls and Towers
Acinipo was surrounded by a defensive wall whose outline is still visible on the surface, although its original height remains unknown. Several circular towers once reinforced the fortifications; portions of their foundations and lower walls can still be seen.
A notable fact: Acinipo held the privilege of minting its own coins, confirmed by numerous numismatic discoveries.
Historical Importance of Acinipo
Acinipo stands out as an exceptional example of Roman urban planning adapted to mountainous terrain and as a city built specifically for retired soldiers. Its theater, thermal baths, and defensive structures offer valuable insight into daily life and military settlement policies in Roman Hispania.

