Serpa is a city located in Alentejo Region, it is 55 kilometres from Mertola

Serpa is a city located in Alentejo Region, it is 55 kilometres from Mertola

A section of the old city walls in one of the streets of Serpa

A section of the old city walls in one of the streets of Serpa

Serpa had been inhabited since the ancient times, Romans had left their marks in the city and later Muslims added their own colours to this city

Serpa had been inhabited since the ancient times, Romans had left their marks in the city and later Muslims added their own colours to this city

This appears to be some sort of a small poem on the face of the city wall

This appears to be some sort of a small poem on the face of the city wall

This section of the wall is situated at the junction of Rua dos Fidalgos and Rua Dr. Manuel Corte Real

This section of the wall is situated at the junction of Rua dos Fidalgos and Rua Dr. Manuel Corte Real

Parts of the city walls in Serpa date back to the 11th century

Parts of the city walls in Serpa date back to the 11th century

A section of the city walls at Rua dos Cavalos

A section of the city walls at Rua dos Cavalos

The city walls are a mostly the work of Dom Dinis from the 12th century

The city walls are a mostly the work of Dom Dinis from the 12th century

Close to Rua dos Lagares, at the Rua dos Cavalos this section of the city walls can be seen

Close to Rua dos Lagares, at the Rua dos Cavalos this section of the city walls can be seen

Here, a wheel pump is built into the city walls, connected with the aqueducts

Here, a wheel pump is built into the city walls, connected with the aqueducts

Some old remains of the city's defensive system

Some old remains of the city's defensive system

An old olive tree at the corner of Rua do Arcos

An old olive tree at the corner of Rua do Arcos

The remains of an 11th-century aqueduct are situated to the western side of Serpa

The remains of an 11th-century aqueduct are situated to the western side of Serpa

This noria (wheel to pump the water) is from the 17th century

This noria (wheel to pump the water) is from the 17th century

It was used for pumping water to the nearby Palácio dos Condes de Ficalho

It was used for pumping water to the nearby Palácio dos Condes de Ficalho

Aqueducts run along Rua do Arcos all the way to the city gate and beyond

Aqueducts run along Rua do Arcos all the way to the city gate and beyond

These impressive looking aquedcuts were built in the 11th century, during the Muslim rule

These impressive looking aquedcuts were built in the 11th century, during the Muslim rule

Here, aqueducts can be seen, close to the city gate in the defensive walls of Serpa

Here, aqueducts can be seen, close to the city gate in the defensive walls of Serpa

This gate is situated at the western side of the city and it offers entrance to the old town

This gate is situated at the western side of the city and it offers entrance to the old town

The actual door built in the impressive city gate

The actual door built in the impressive city gate

Above the gate, aqueducts still can be seen

Above the gate, aqueducts still can be seen

A view of the city gate, from inside the old town of Serpa

A view of the city gate, from inside the old town of Serpa

Looking at the city gate and aqueducts from Rua das Portas de Beja

Looking at the city gate and aqueducts from Rua das Portas de Beja

Defensive walls of Serpa stretch from the castle all the way to the city gate and the aqueducts

Defensive walls of Serpa stretch from the castle all the way to the city gate and the aqueducts

This is a smaller entrance in the city walls, since it is very small in size, probably it was added at a later stage

This is a smaller entrance in the city walls, since it is very small in size, probably it was added at a later stage

Very impressive looking city walls and defensive towers of Serpa old town

Very impressive looking city walls and defensive towers of Serpa old town

Serpa is often forgotten by the tourists, it is a small town with only 17,000 inhabitants or so

Serpa is often forgotten by the tourists, it is a small town with only 17,000 inhabitants or so

It makes a great day trip from nearby towns of Beja and Mertola

It makes a great day trip from nearby towns of Beja and Mertola

Looking back at the aqueducts from the corner of the city gate

Looking back at the aqueducts from the corner of the city gate