Language Development Center (PPB) of UNISA is committed to provide the best language development program for all students, lecturers and staff in UNISA. PPB which is located on the 4rd floor of Siti Walidah Building Kampus Terpadu ‘Aisyiyah University of Yogyakarta, currently provides language proficiency certification in English proficiency test (U-STEP), translation and language training such as General English, English for Academic Purposes, English for Specific Purposes, English Proficiency Test Preparation, Bahasa Indonesia bagi Penutur Asing (BIPA), other foreign languages, and language courses according to customer requests.

Language Development Center of UNISA has been contributing in developing the language skills of all students, lecturers and staff in UNISA and providing qualified language learning for students. Language Development Center of UNISA also facilitates students in improving their language skills to participate in language contests at both national and international levels. In the future, PPB UNISA is expected to align themselves with other independent language centers from other universities.