Yes, Bulgaria Porphyry can be used in a bathroom. Porphyry is a natural stone that is known for its durability and resistance to moisture, making it suitable for various applications, including bathroom countertops, floors, and walls. However, it is always recommended to properly seal the porphyry to protect it from water damage and stains. Additionally, it is essential to follow proper maintenance and regular cleaning routines to ensure its longevity and preserve its beauty.