The following cities have, or historically had, defensive walls.

Africa

Algeria

Egypt

See List of Egypt castles, forts, fortifications and city walls.

Ethiopia

Libya

Mali

Morocco

Niger

Nigeria

Tunisia

Americas

Canada

Chile

Colombia

Cuba

Dominican Republic

Mexico

Panama

Old Quarter of Panama City (a portion of the Wall still exists)

Peru

Puerto Rico

United States

Uruguay

Asia

Afghanistan

China

India

Indonesia

Pakuan Pajajaran, the capital of the Sunda Kingdom, was surrounded by defensive moats and walls. Now the area is part of the modern city of Bogor. An 18th century wall made by Hamengkubuwono the 1st from the Ngayogyakarta Hadiningrat Kingdom to protect the inner capital city from the Dutch and other enemies during the Mataram Kingdom period. Today, 96% of the wall still exists and is a local landmark. On 17 February 1745, the Surakarta Kingdom moved to a new opened forest named Sala Village and build their Royal Residential Palace and urban area with a 15 kilometers long of "Beteng Kraton" or Palace wall around it. As of 2022, 90% of the city walls still remain. Well known as Banten Kingdom's capital. The wall was destroyed by the Dutch during its colonial period in the way to ended the Banten reign. The city wall that left is only about 10% from the real appearance. Trowulan was the capital of the former Majapahit Empire. When its glory period, the capital being a first European systemized ancient city (with city canal system for transportation and also large aisle and road for major transportation) in Indonesia, because Trowulan was developed in Majapahit's glory period in 13th–15th century. The wall was protecting the inner "Kraton" or royal palace and some important places. Today the wall can't be seen as the original appearance.

Iran

Iraq

Israel

Lebanon

Malaysia

Pakistan

Almost every old city in Pakistan had a defensive wall. Much of these walls were destroyed by the British in order to refortify the cities. Few cities which were fortified are:

Palestine

Philippines

South Korea

Sri Lanka

Syria

Taiwan

Some other towns fortified with thorny bamboos in Qing era.

Thailand

Uzbekistan

Vietnam

Yemen

Europe

Albania

Austria

Azerbaijan

Belgium

Bosnia and Herzegovina

Bulgaria

Croatia

Cyprus

Czech Republic

Denmark

Estonia

Finland

France

Germany

Gibraltar

Greece

Many towns and cities still retain at least parts of their defensive walls, including:

Hungary

Republic of Ireland

Italy

Latvia

Lithuania

Luxembourg

North Macedonia

Malta

Monaco

Montenegro

Netherlands

Norway

Poland

Portugal

Romania

Russia

Serbia

Slovakia

Slovenia

Spain

Sweden

Switzerland

Turkey

Ukraine

United Kingdom

England

Northern Ireland

Scotland

Wales

Vatican City