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The latest 2023 Basic Topographic Map updated data (3rd batch)are now available.

(1)The latest updated Basic Topographic Map data contains 445 frames with scale of 1:5,000, covering partial Yilan County, Miaoli County, Nantou County, Hualien County and Penghu County.

(2)The aforementioned Basic Topographic Map data now can only be requested via fax, email, post or in person for the time being. We plan to launch online service for data request submission on our website ( since the 26th of April, 2024. Welcome to apply for the Basic Topographic Map.