Royal River is a high rise 75 meters tall residential building, located in the city of Plovdiv, Bulgaria. RR uses has several integrated technologies that makes it a contemporary residential building sustainable ventilation and air conditioning system, waste collection system, high speed elevators, maximized glazing for each apartment and tight structure core with compact emergency staircases that is helping a maximum usage of floor area. The facade system uses composite aluminum panels that allows it usage of freeform and easy and quick installation methods.

Bulgarian architect, Svetoslav Stanislavov, is recognized as one of the most notable figures in the contemporary architecture realm in the country today. In 2012 he founded his own practice, STARH, in the city of Varna, majoring in residential, hospitality and office architecture with wide variety of scale. In 2020 the studio has expanded by opening an office in Sofia as well. In this short time since its founding, STARH, has created an impressive portfolio of completed projects in the country, having recognizable quality in design. The studio has succeeded to positively affect the context with their work. The formula that they use is always striving for balance between aesthetics, functionality and quality in architecture that will last in time. Stepping out from the design comfort zone and experimenting with innovative materials is part of their character. Following these principles, major projects of the studio were born: A3 Advanced Architecture Apartments (2017), Varna Wave (2018), K Residence (2018), BGA Corporate Building (2019), B73 (2021). In recent years, their firm conviction led them to an international acclaim as well. STARH is a laureate in Architecture MasterPrize, Architizer A+ Award, IDA Design Awards, A' Design Awards, BigSEE. In 2018, 2020 and 2022 STARH was nominated for Building of the Year by ArchDaily.

Bulgarian architect, Svetoslav Stanislavov, is recognized as one of the most notable figures in the contemporary architecture realm in the country today. He founded his own practice, STARH, in the city of Varna, majoring in residential, hospitality and office architecture with wide variety of scale. In the time since its founding, STARH, has created an impressive portfolio of completed projects in the country, having recognizable quality in design. Exceeding all expectations, the studio has succeeded to positively affect the context with their work. The formula that they use is always striving for a balance between aesthetics, functionality and quality in architecture that will last in time. Stepping out from the design comfort zone and experimenting with innovative materials is a part of their character.