1. Castle District: Explore the historic Buda Castle and its complex, which includes the Royal Palace, Matthias Church, and Fisherman's Bastion. Enjoy panoramic views of the city from this elevated vantage point.
2. Gellert Hill & Taban: Hike up Gellert Hill for stunning views of the Danube River and the cityscape. Visit the Gellert Hill Cave Church and the Gellert Thermal Bath for a relaxing experience.
3. Parliament & around: Admire the impressive Hungarian Parliament Building, a magnificent example of neo-Gothic architecture, located on the banks of the Danube. Stroll along the river and take in the beautiful surroundings.
4. Margaret Island & Northern Pest: Escape to Margaret Island, a serene oasis in the middle of the Danube River. Enjoy its parks, gardens, and recreational facilities. In Northern Pest, visit Heroes' Square and the Vajdahunyad Castle.
5. Erzsebetvaros & the Jewish Quarter: Immerse yourself in the rich history and culture of the Jewish Quarter. Explore the Great Synagogue, Jewish Museum, and other historic sites. Discover unique ruin bars, trendy cafes, and street art in Erzsebetvaros.
6. City Park & Beyond: Visit the City Park (Varosliget) and see Vajdahunyad Castle, the Széchenyi Thermal Bath, and the impressive Millennium Monument. Explore the Museum of Fine Arts and the Hall of Art in the park.
7. Budapest's Thermal Baths: Indulge in Budapest's renowned thermal baths, such as the Széchenyi Thermal Bath and the Gellert Thermal Bath. Experience relaxation and rejuvenation in these historic spa settings.

These top sites offer a diverse range of experiences, from historical landmarks to natural beauty, cultural exploration, and relaxation.