The XXVII Urdaibai Archaeological Conference (2025) is conceived as a tribute to the archaeologist Andoni Sáenz de Buruaga Blázquez. A life dedicated to studying Basque prehistory and learning about the cultural evolution of the Saharan people. The series will feature experts who will discuss the contributions of the stone industry, archaeogenetics and the biography of José Miguel Barandiaran. On Thursday, the 13th, the AGIRI (Gernika) and MUNIBE (Azkoitia) associations will offer a few words of recognition to Andoni Sáenz de Buruaga. At the same time, the conference commemorates the 40th anniversary of the AGIRI Archaeological Association.