He started the construction of the Grand Palace so that the palace may be ready for his coronation in 1785. Wat Phra Kaew, which has its own compound within the precinct of the palace, was built to house the Emerald Buddha, which is considered a sacred object that provides protection for the kingdom. Wat Phra Kaew was completed in 1784.[1][7] The formal name of Wat Phra Kaeo is Phra Sri Rattana Satsadaram, which means "the residence of the Holy Jewel Buddha.