ANA - Arbo
- Aquis Grana Hotel Aachen (Aachen)
- Ara Pacis Hotel Rome (Rome)
- Arabella Sheraton Airport Hotel Duesseldorf (Duesseldorf)
- Arabella Sheraton Airport Hotel Munich (Munich (Region))
- Arabella Sheraton Bogenhausen Munich (Munich)
- Arabella Sheraton Grand Hotel Frankfurt (Frankfurt)
- Arabella Sheraton Hotel Waldhuus (Davos)
- Arabella Sheraton Hotel Westpark (Munich)
- Arabian Beach Hotel Sharjah (Sharjah)
- Arabian Courtyard (Standard) (Dubai)
- Arad (Israel)
- Aradous Hotel Bahrain (Manama)
- Aragon Hotel Brugge (Brugge)
- Aragon Hotel Carcassonne (Carcassonne)
- Arahmas Resort & Spa Phuket (Phuket)
- Arakabesang Island (Palau)
- Aramis Hotel Warsaw (Warsaw)
- Aramunt Apartments Barcelona (Barcelona)
- Aranvert Hotel Kyoto (Kyoto)
- Aranypart Hotel Siofok (Lake Balaton)
- Arapahoe Inn - Keystone (Breckenridge/Keystone)
- Ararat Park Hyatt Hotel Moscow (Moscow)
- Arathena Hotel San Pantaleo (Sardinia)
- Araxa Hotel Mallorca Island (Mallorca Island)
- Arayaburi Boutique Resort Samui (Samui)
- Arbat Hotel Moscow (Moscow)
- Arbat Nord Hotel St. Petersburg (St. Petersburg)
- Arbatasar Hotel Arbatax (Sardinia)