The Erawan shrine, which witnessed a major bomb blast in August 2015, is located at:

The Erawan Shrine is a prominent landmark located in Bangkok, the capital of Thailand [2]. It is situated at the Ratchaprasong intersection, a major commercial hub in the city center surrounded by luxury hotels and shopping malls [2]. On August 17, 2015, the shrine was the site of a devastating bomb blast that killed approximately 20 to 22 people and injured over 120 others [1]. The shrine is dedicated to the Hindu god Brahma (Phra Phrom) and is a significant cultural site visited by thousands of locals and tourists daily [2]. The 2015 attack was described by Thai authorities as an attempt to damage the nation's tourism industry, as the shrine is particularly popular among visitors from East Asia and China.

Sources

1. [1] https://www.bbc.com/news/world-asia-33984177
2. [2] https://www.bbc.com/news/world-asia-33964384