About AAPEI Welcome to the Architects Association of Prince Edward Island Web Site. The Architects Association of Prince Edward Island is a self-regulating organization governed by the Architects Act of PEI. AAPEI is formed to administer and regulate the practice of Architecture in the province of PEI. We have developed this website to assist the public in learning more about the architectural profession in Prince Edward Island and as a means to assist in engaging the services of architects. The Association is dedicated to promoting and increasing public awareness and understanding of architecture and our professional services, and we encourage you to explore these pages. Please feel free to contact the Association directly should you require additional information.