The International Planning History Society (IPHS) is dedicated to the enhancement of interdisciplinary studies in urban and regional planning history. IPHS was inaugurated in 1993 as a successor association to the Planning History Group (PHG), a British-based organisation founded in 1974.

IPHS aims

• endeavours to foster the study of planning history worldwide,
• encourages and supports interest and place-based networks in the fields of planning history,
• publishes a journal,
• organises conferences, and
• provides an international network for member contact.