The Europe Zone was the unique zone within Group 3 of the regional Davis Cup competition in 2023. The zone's competition was held in round robin format in Larnaca, Cyprus, from 14 to 17 June 2023.
Format: Round-robin basis. One pool of four teams and one pool of three teams and nations will play each team once in their group. Nations finishing first in each group will be promoted to World Group II play-offs in 2024. Nations finishing second in each group will enter a promotion play-off and the winner will be promoted to World Group II play-offs in 2024.
Nations finishing third in each group will enter a relegation play-off and the lost team as well as the fourth team in Pool B will be relegated to Europe Zone Group IV in 2024.
Standings are determined by: 1. number of wins; 2. number of matches; 3. in two-team ties, head-to-head records; 4. in three-team ties, (a) percentage of sets won (head-to-head records if two teams remain tied), then (b) percentage of games won (head-to-head records if two teams remain tied), then (c) Davis Cup rankings.