Answer for Where can I find tourist info points in Budapest?

Here are the Budapest info points:

• BUDAPESTINFO POINTS AND TICKETS
  Deák Ferenc tér, 1052 Budapest, Sütő u. 2. Open: 8–20
  Hősök tere, 1146 Budapest, Olof Palme sétány 5. Open: Sun-Thu 10-18, Fri-Sat 10-20
• FURTHER BUDAPEST INFO POINTS
  Liszt Ferenc International Airport
  Terminal 2A: 8-23, Terminal 2B: 10–20
  Budavár, 1014 Budapest, Tárnok u. 15. Open: 9-18
• BUDAPEST INFO POINT PARTNERS
  Great Market Hall, 1093 Budapest, Vámház körút 1–3. Open: M 6–17, T–Fri 6-18, Sat 6–15
  Keleti Railway Station, Info Open: 7–19

More info on ticket offices: https://www.travelguidebudapest.com/budapest-after-dark/