MADRID, July 25 (Reuters) - Astroc (ASTR.MC: Quote, Profile, Research), the property firm that caused Spanish stock market panic this year, is in talks to merge with rival Agrupacion Actividades y Inversiones Inmobiliarias (Aisa) (AISA.MC: Quote, Profile, Research) to create the country's fifth largest property company, people familiar with the deal said on Wednesday.
Valencia-based Astroc plans to merge with Aisa in a stock transaction and combine it with its Landscape and Rayet Promociones units to form a new company known as Landscape, an insider at Aisa and another person close to the talks told Reuters.
