Morning: Start at St. Stephen's Basilica (9am), climb the dome for views. Walk Andrássy Avenue toward Heroes' Square, stopping at the Hungarian State Opera (exterior). Reach Heroes' Square and explore City Park.
Lunch: Traditional Hungarian meal near City Park or grab lángos from a food stand.
Afternoon: Visit Széchenyi Thermal Bath (2-3 hours). After refreshing, take Metro M1 (historic yellow line) back toward center.
Evening: Walk Chain Bridge to Buda side at sunset. Funicular or walk up to Buda Castle, then visit Fisherman's Bastion and Matthias Church for illuminated views. Dinner in Castle District or return to Pest.
Morning: Parliament Building guided tour (book 9am slot), then walk Danube Promenade south, stopping at Shoes on the Danube memorial.
Late Morning: Explore Great Market Hall - shop for paprika and souvenirs, lunch upstairs (try lángos or traditional dishes).
Afternoon: Visit House of Terror Museum (2-3 hours) for powerful historical insight. Walk through Jewish Quarter, visiting Great Synagogue.
Evening: Explore ruin bars starting with Szimpla Kert. Dinner at Jewish Quarter restaurant, then bar hop Kazinczy Street.
Morning: Cross Margaret Bridge to Margaret Island (rent bikes or walking carts). Cycle the perimeter, visit musical fountain and ruins.
Lunch: Picnic on Margaret Island or café meal.
Afternoon: Visit Gellért Hill - Cave Church, then hike to Citadella for panoramic views. Descend to Gellért Thermal Bath for late afternoon relaxation.
Evening: Book Danube River cruise (7-8pm departure) for illuminated city views with drinks included.
Morning: Museum of Fine Arts at Heroes' Square (2-3 hours) or Hungarian National Gallery in Buda Castle.
Lunch: Váci Street area or Vörösmarty Square (Gerbeaud Café for dessert).
Afternoon: Hospital in the Rock underground museum tour (book in advance). Explore Castle District's side streets and courtyards.
Evening: Attend opera or ballet at Hungarian State Opera House (if performance scheduled) or folklore dinner show.
Option A - Szentendre: Morning HÉV train (40 min), explore artist town, galleries, museums, riverside lunch. Return afternoon, evening free in Budapest.
Option B - Eger: Early train (2 hours), visit castle and basilica, lunch, afternoon wine tasting in Valley of Beautiful Women. Return evening.
Option C - Danube Bend Tour: Organized tour visiting Szentendre, Visegrád, and Esztergom (full day).
Each itinerary can be adjusted based on interests, pace, and season. Allow flexibility for spontaneous discoveries!