The Polish Country was founded in the year 966, and its founder was Mieszko I, the Duke of the Polans. Mieszko I united several tribes inhabiting the territory of present-day Poland and attempted to unite the Polish lands. His rule covered the areas around Gniezno, and after his death, his wife, Dobrawa, who was a Christian, took over the power and played an important role in converting the Poles to Christianity.

Gniezno - Wielkopolskie - 1000 - 70 km2 Gniezno is known as the first capital of Poland, and it has played an important role in the country's history. The city is famous for its stunning Gothic cathedral, which houses the tombs of several Polish kings. Other popular attractions in Gniezno include the Museum of the Origins of the Polish State and the Gniezno Archdiocese Museum.

Poznań - Wielkopolskie - 1253 - 539 km2 Poznań is one of the largest and most vibrant cities in Poland. It has a rich history and is home to many historic landmarks, such as the Old Market Square and the Imperial Castle. Other popular attractions in Poznań include the National Museum, the Malta Ski recreational area, and the Croissant Museum.

Kalisz - Wielkopolskie - 1257 - 104 km2 Kalisz is one of the oldest cities in Poland, and it has a rich history that dates back to the Roman period. The city is home to several historic landmarks, such as the Gothic St. Nicholas Church and the former town hall. Other popular attractions in Kalisz include the Museum of the History of Kalisz and the Winiary Park.

Gdańsk - Pomorskie - 1263 - 471 km2 Gdańsk is one of the most beautiful cities in Poland, and it has a rich history that dates back to the 10th century. The city is known for its stunning architecture, which includes the iconic Royal Way and the Gothic St. Mary's Church. Other popular attractions in Gdańsk include the Museum of the Second World War, the Oliwa Cathedral, and the picturesque Long Market.

Kraków - Małopolskie - 1257 - 770 km2 Kraków is one of the most popular tourist destinations in Poland, and it has a rich history that dates back to the 7th century. The city is known for its stunning architecture, which includes the Gothic St. Mary's Basilica and the Renaissance Cloth Hall. Other popular attractions in Kraków include the Wawel Castle, the Schindler's Factory Museum, and the vibrant Kazimierz district.

Opole - Opolskie - 1217 - 121 km2 Opole is a small but charming city in southern Poland, and it has a rich history that dates back to the 9th century. The city is known for its stunning architecture, which includes the Gothic Holy Cross Cathedral and the Baroque St. Adalbert's Church. Other popular attractions in Opole include the Museum of Opole Silesia, the Opole Amphitheatre, and the Solaris Centre.

Warszawa - Mazowieckie - 1313 - 1798 km2 Warsaw is the capital and largest city of Poland, and it has a rich history that dates back to the 14th century. The city is known for its stunning architecture, which includes the iconic Palace of Culture and Science and the Gothic St. John's Cathedral. Other popular attractions in Warsaw include the Royal Castle, the Warsaw Uprising Museum, and the Łazienki Park.

Płock - Mazowieckie - 1237 - 120 km2 Płock is a historic city located on the banks of the Vistula River, and it has a rich history that dates back to the 10th century. The city is known for its stunning architecture, which includes the Gothic St. Bartholomew's Church and the Renaissance Płock Castle. Other notable landmarks in Płock include the 12th-century Cathedral of the Blessed Virgin Mary, the 19th-century Masovian Museum, and the Płock Zoo.

ポーランドのどの都市が最も古いですか？