In the worldwide within the context of the agricultural development policies some agricultural crops are qualified as Special Agricultural Crops (SAC) having important leading effects on food security, agricultural employment and rural development. Especially the Modality Paper, for agricultural issues released by World Trade Organization (WTO) in 2006, covers some criteria are characterized for classifying the agricultural crops as special. In this context, based on both international criteria and the principles mentioned above some agricultural crops such as especially tea and hazelnut and tobacco, cotton, olive, wheat etc. having important effects on national and regional development in Turkey would be specified as SAC. So, in Turkey, beside the European Union (EU) Common Agricultural Policy (CAP) reform, it is required that the development of Spatial Data Model (SDM) for administration SAC lands as well. In this thesis, the tea crop having strategic position on agricultural development and growing under state guarantee in Turkey assumed to specify as SAC and development of SDM for tea farming as a case study. And also it is emphasized that development of Tea Agricultural Land Administration Model (TALAM) and the requirements on Spatial Data Infrastructure (SDI) for spatial data management of tea agricultural lands. In addition to this, as a result of this study, it is aimed to development of the Land Administration Domain Model - Tea Agricultural Model (LADM-TAM) for sustainable tea agriculture and tea growing and integration this model to Turkish National Geographical Information System (TUCBS).