The Europe Zone was one of the four zones within Group 3 of the regional Davis Cup competition in 2015. The zone's competition was held in round robin format in San Marino, San Marino, in July 2015.^[1] The thirteen competing nations were divided into four pools of three or four teams. The winners from each pool played off to determine the two nations to be promoted to Europe/Africa Zone Group II in 2016, while the second and third placed nations played off to determine overall placings within the group.^[1]

^[1]

The thirteen teams were divided into four pools of three or four teams, with one seeded nation in each pool.

The winner of Pool A plays off against the winner of Pool C, and the winner of Pool B plays off against the winner of Pool D. The two winners of these play-offs are promoted to Europe/Africa Zone Group II in 2016.^[1] The second and third placed teams in each pool play off in the same pattern to determine overall rankings within the group. The fourth-placed team in Pool D does not enter the play-offs.

The group was staged from the 15th to the 18th July 2015 at the Centro Tennis Cassa di Risparmio in San Marino, San Marino.^[1]

Pool A

More information RR W–L, Matches W–L ...

	Cyprus	Greece	San Marino	RR W–L	Matches W–L	Sets W–L	Games W–L	Standings
Cyprus		2–1	3–0	2–0	5–1	11–2	71–31	1
Greece	1–2		3–0	1–1	4–2	8–6	65–60	2
San Marino	0–3	0–3		0–2	0–6	1–12	31–76	3

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Pool B

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	Estonia	Montenegro	Liechtenstein	RR W–L	Matches W–L	Sets W–L	Games W–L	Standings
Estonia		3–0	3–0	2–0	6–0	12–0	72–21	1
Montenegro	0–3		3–0	1–1	3–3	6–6	51–51	2
Liechtenstein	0–3	0–3		0–2	0–6	0–12	23–74	3

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Pool C

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	Norway	Macedonia	Armenia	RR W–L	Matches W–L	Sets W–L	Games W–L	Standings
Norway		3–0	3–0	2–0	6–0	12–3	81–46	1
Macedonia	0–3		3–0	1–1	3–3	9–6	73–55	2
Armenia	0–3	0–3		0–2	0–6	0–12	19–72	3

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Pool D

More information RR W–L, Matches W–L ...

	Georgia	Malta	Iceland	Albania	RR W–L	Matches W–L	Sets W–L	Games W–L	Standings
Georgia		3–0	3–0	3–0	3–0	9–0	18–0	108–17	1
Malta	0–3		3–0	3–0	2–1	6–3	12–8	90–74	2
Iceland	0–3	0–3		3–0	1–2	3–6	7–12	71–94	3
Albania	0–3	0–3	0–3		0–3	0–9	1–18	29–113	4

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•  Georgia and  Norway are promoted to Europe/Africa Zone Group II in 2016
• The remaining eleven nations remain in Europe Zone Group III in 2016