Kings and princes frequently stayed in Biecz, particularly those from the Piast and Jagiellon dynasties. The monarchs had their local residences here, which were royal property. During the king's stay, royal chancelleries issuing documents for a specific city or different cities functioned in such residences. Among great guests staying in Biecz over the centuries were:
Bolesław Wstydliwy – in the second half of the 13th century, he issued the city's founding charter.
Leszek Czarny and Duchess Kinga – they had a dispute over Biecz, which ended with the duchess's concession in favour of Leszek Czarny. Probably because of the privilege granted by this prince, defensive walls were erected around Biecz.
Konrad Mazowiecki – in a document issued in 1228 in Biecz, he confirmed the 1226 verbal agreement concerning the arrival of the Teutonic Knights to Poland.
Władysław Łokietek – he stayed here during the revolt of wójt Abert in Kraków. The legend even states the Biecz was the Polish capital for a few months – from September 1311 to April 1312. He is also credited with building a new brick castle. Łokietek probably funded the Church of Corpus Christi as a votive offering for the victory over the Teutonic Knights in the battle of Płowce.
Kazimierz Wielki – he stayed in Biecz 10 times and issued a number of documents favourable for the city.
Elżbieta, the queen of Hungary and Poland, and her husband Ludwik, the king of Hungary and Poland, also visited Biecz in the 14th century.
Queen Jadwiga of Poland (Jadwiga Andegaweńska) – she stayed in Biecz many times. Canonised in 1997. According to legend, she drank water from one of the springs in Strzeszyn. The queen, sensitive to misfortune and misery, founded a hospital in Biecz.
Władysław Jagiełło – he stayed in Biecz 22 times. After the death of Jadwiga, his betrothal to Anna of Cilli, the granddaughter of Casimir the Great, took place in the castle in Biecz.
Władysław Warneńczyk visited Biecz three times. Here he received the Hungarian king Albrecht Habsburg. Here as well, together with his brother Kazimierz Jagiellończyk, he made an agreement with the Johanniter Order.
Queen Zofia Holszańska stayed in Biecz four times, issuing documents benefiting the city and surrounding villages.
Jan Kazimierz, returning from exile through Lubowa and Bardiów, arrived in Biecz – a city that did not surrender to the Swedes and remained faithful to the Polish king.
Wacław Potocki, a 17th-century poet, moralist, writer of epics and satires, treasury judge, vice-starost (podstarości) of Biecz and magistrate judge of Biecz, deputy cup-barer (podczaszy) of Kraków.
The Nobel family – the family of the famous dynamite inventor in Sweden. In 1918, the Nobel brothers purchased a refinery in Libusza from A. Skrzyński. The company joined the international Rockefeller Standard Oil Company concern.
Jan Matejko – he stayed in Biecz in 1866, and made drawings of the houses by the city square and other historical objects.
Stanisław Wyspiański – stayed in Biecz several times. The artist was supposed to create polychromes for the parish church and stained glass window designs. He also made sketches of the small wooden church in the neighbouring Binarowa. In the end, the polychrome was not made according to his design but the stained glass windows in the side chapels are most likely his work.
Włodzimierz Tetmajer – made sketches for the polychrome in the parish church. A student of Matejko, the Biecz painter Apolinary Kotowicz, worked on the polychrome.
John Paul II visited Biecz as a bishop.