The purpose of this study is to examine the possibilities of use as a factor of the water landscape in modern urban spaces such as parks and, apartments, through a case study of the concept, functions, and culture of moats in the East and West from ancient times to the Middle Ages. This study aimed to examine the concept, origin, and function of the moat as a theoretical consideration. Asian castles with moats, including those in Korea, China and Japan, and Western castles with moats in Britain, France, Belgium, and Germany were investigated and analyzed. By reflecting on these cultures and the functions of the moat in modern urban spaces and converting the environment damaged due to industrialization and urbanization into an eco-friendly and environment symbiotic city the quality of life can be improved, and sustainable development can be achieved. This study was conducted through a literature survey and field investigation.

Abstract
1. Introduction
2. Methodology
3. Results and Considerations
    3.1. Functions of a Moat
    3.2. Case Study on Moats in the Orient and theWest
    3.3. Plan to Use a Moat as a Component of aModern Water Landscape
    3.4. Expected Effects of Moats on WaterEnvironment
4. Conclusion
REFERENCE

• Yong Jo Jung(Department of Greensmart City, Sangmyung University, Chungnam 31066, Korea) Corresponding author