Emerita Augusta was founded as a Roman colony in 25 AD under the order of the emperor Augustus to serve as a retreat the veteran soldiers (emeritus). The city, one of the most important in Roman Hispania, was endowed with all the comforts of a large Roman city and served as capital of the Roman province of Lusitania from its founding and as the capital of the entire Diocese of Hispania during the fourth century. Following invasions by the Visigoths, Mérida remained an important city of the Visigothic Kingdom of Hispania in the 6th century.

In the 713, the city was conquered by the Umayyad Caliphate, and remained under Muslim rule. The Mozarabic people of the island rebelled repeatedly against the Caliphate authorities in the 9th century and the city began a slow decline. Mérida was seized by Alfonso IX of León in 1230.

The winters are mild, with minimum temperature rarely below 0 °C (32 °F), and summers are hot with maximum temperatures occasionally exceeding 40 °C (104 °F).

The 38.92143-6.343061 RENFE train station in Mérida is on Calle Cardero. There are four trains from Cáceres (trip time: 1 hr), five trains from Madrid (4½-6 hours, €18.45-27 one-way), one from Seville (3 hr), and seven from Badajoz (1 hr).

The 38.91471-6.3582 Bus Station, is at Ave La Libertad s/n across the bridge (Puente Lusitania) from the central part of town with the following companies:

• ALSA, ☏ +34 902 42-22-42. (updated Nov 2017)
• Avanza Bus y Suroeste (Southwest), ☏ +34 924 37-14-04. Southwest Bus is a subsidiary of Grupo Avanza. Travels primarily towards Madrid via Trujillo. (updated Nov 2017)
• Eurolines, ☏ +34 902 40-50-40. International connections between Portugal, Spain, France and into the rest of Europe. (updated Nov 2017)
• Flixbus. International bus connecting Lisbon, Merida, Biarritz/Bayonne, Bordeaux and Paris Passengers transfer buses or to trains in Paris and Bordeaux to continue to additional destinations in France, Germany, Switzerland etc. (updated Nov 2017)
• LEDA, ☏ +34 924 37-14-03. Travels primarily on Hwy A66/E-803 (Zafra - Villafranca de los Barros - Almendralejo-Merida - Caceres); A5/E90 (Merida - Badajoz) to serve various places in the surrounding regions of Extremadura. (updated Nov 2017)

There are fewer buses to Madrid, but connections to Seville (6-8 busses per day) are much better.

The N-V superhighway passes through Mérida from Madrid or Lisbon.

Walking is generally the best option for navigating Merida. Merida is small enough that all major tourist destinations can be reached by foot. Walking from one outskirt of town to the other takes about one hour, so most people get by just fine on foot.

For those who would rather conserve energy, the bus system covers virtually every corner of the city. During the week, all lines run every 30 minutes from 07:30 to about 22:30. On weekends, service is more sparse but you can still get where you want to go with some patience. The service is run by Vectalia, who operate municipal bus services across Spain. Service is free through December 31, 2024.

In order to ride, you can visit the Vectalia office inside the Open Merida Museum (MAM) and buy a card (€2.35). After December 31, 2024, you can use the card or pay the €0.90 fee for a single journey. Routes and upcoming arrival times can be found on the "Merida Bus" app, available for iOS and Android (APK). The Vectalia website also has a comprehensive PDF map of routes and times.

Rideshare apps do not operate in Merida, leaving you to old school teletaxi service. There are a few companies that operate in Merida, namely Teletaxi and Radiotaxi. Dust off your rusty Spanish, give them a call and let them know where you are and where you want to go. It's generally a safe, straight forward process with the fare displayed on the rearview mirror during your ride. You can pay by cash or card.

Roman ruins in Mérida are a mixture of ticketed and free sites.

At the ticket booth of the sites that require paid entry, there is a combo ticket for €15, which is generally only slightly more expensive than the entry to just one site. With that said, the theater-amphitheater duo site seems to draw the bulk of the crowds, and it may be better to start at a smaller site, which avoids waiting in long lines to buy the combo ticket. You will also be given a map to the sites (both free and paid) around the city. The combo ticket does not include the notable Roman Art Museum across the street from the amphitheater. The Roman Art Museum is only €3.

• 38.91667-6.333331 Roman Theater.   and 38.916194-6.3377222 Roman Amphitheater.   The star attraction of the Roman sites in Mérida. The theater (used for plays) and amphitheater (used for gladiator fights and spectacles) are next to each other, and both are excellently preserved. During the summer the theater is still used for flamenco and other shows. Ticket required.
• 38.91237-6.337393 Casa del Mitreo. Uncovered remains of an old Roman mansion. Many original floor mosaics still visible. Ticket required. 
• 38.91306-6.350834 Roman Bridge (Puente Romano). Once the longest bridge in the Roman Empire. Part original Roman construction, part restoration from the Visigoth era. Still used daily by pedestrians. The Alcazaba is on the Merida side of the bridge.  
• 38.914444-6.3466675 The Alcazaba. Remains of a Moorish fortress built using material and part of the structure of the original Roman city walls. Can walk along the outer wall for a view of the river and old bridge. Ticket required.  

• 38.916389-6.3441676 Templo de Diana (in the city centre). Ruins of a large Roman temple, dating from the founding of the city. Parts of the structure were later reused in the Moorish period and after. Free to view.  
• 38.91684-6.342957 Portico del Foro. Uncovered section of foundation of the old city forum, with a few reconstructed columns. Free to view. 
• 38.91759-6.3464348 Arch of Trajan. Large archway that was once one of principal entrances to the city. The surrounding structure has been lost but the arch remains standing in the midst of the modern city. If you drive a car, you can pass below it on a public street (put Calle Trajano 8 in your GPS).  
• 38.9198-6.33239 Circo Romano (Hippodrome). The ruins of an ancient stadium where chariot races would have been held. Slightly outside of the city centre, and the entrance is only on the end closes to the city. Walking to the wrong side of the stadium is easy to do. Ticket required for entry.  
• 38.920108-6.33534710 Rabo de Buey-San Lázaro Aqueduct. Across the street from the Circo Romano, three pillars are all that remain of the structure of the Roman aqueduct. Better preserved remains from a 16th-century aqueduct also stand in the same location. Free.  
• 38.924444-6.34805611 Acueducto de los Milagros. Large, impressive section of a Roman aqueduct (three levels high) that runs across the centre of what is now a city park. Free to visit.  
• 38.91751-6.3497212 Zona Arqueológica de Morería. A small, mostly derelict section of remains of the city entrance next the river, that has been uncovered. Ticket required. 
• 38.917082-6.33954713 Roman Art Museum. Spectacular collection of mosaics and sculptures. Does not accept combo ticket. Entry €3.  

The central Plaza de España has the Mérida Palace Hotel, which is a well-preserved historical building now hosting a 5-star hotel. Additionally, this plaza has the modern art "Palácio de la China", which is a visual riot and not at all Chinese.

• Visigoth Collection. Good collection of sculptures from the Visigothic era of Mérida. Free entry.