| Gia (Milk & Sugar Club Mix) | 6:03 | |
| Gia (Acapella) | 2:37 | |
| Gia (DJ Gregory Dub Mix) | 4:36 | |
| Gia (Milk & Sugar Dub Mix) | 6:13 |
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| Gia (12") | Milk & Sugar Recordings | MSR 061 | Germany | 2003 | |
| Gia (Gregory Mixes) (12") | Hedonism | HED 006 | Germany | 2003 | |
| Gia (The Milk & Sugar Remixes) (12") | Motivo Productions | MT 004 | Italy | 2003 | |
| Gia (The Remixes) (CDr, Promo) | Warner Music Sweden | WMSPROM5011 | Sweden | 2003 | |
| Gia (12") | Ultra Records | UL 1187-6 | US | 2003 | |
| Gia (12") | Motivo Productions | MT 003 | Italy | 2003 | |
| Gia (12") | Blanco Y Negro (2) | MX 1345 | Spain | 2003 | |
| Gia (12") | Tinted Records | TINT 077 | Australia | 2003 | |
| Gia (12") | Tinted Records | TINT 075 | Australia | 2003 | |
| Gia (12") | Mascotte Music | 8345101260 | France | 2003 | |
| Gia (12", Promo) | Hedonism | HEDONISM 005 | Germany | 2003 | |
| Gia (12", Promo) | Positiva | 12TIVDJZ-199 | UK | 2003 | |
| Gia (12", W/Lbl) | Tinted Records | TINT77 | Australia | 2003 | |
| Gia (2x12", Promo) | Positiva | 12TIVDJD-199 | UK | 2003 | |
| Gia (CD, Maxi) | WEA, Warner Music Sweden | 5050466-7785-2-9 | Europe | 2003 | |
| Gia (CD, Maxi) | Central Station | CSR CD5 0433 | Australia | 2003 | |
| Gia (CD, Maxi) | Blanco Y Negro (2) | BNCD 1337 (CM) | Spain | 2003 | |
| Gia (CD, Maxi, Enh) | Ultra Records | UL 1187-2 | US | 2003 | |
| Gia (CD, Maxi, Mini) | Central Station | CSR CD5 0436 | Australia | 2003 | |
| Gia (CD, Maxi, Promo) | Positiva | CDTIVDJ-199 | UK | 2003 | |
| Gia (CD, Single, Car) | Warner Music Sweden | 5050466-7781-5-4 | Sweden | 2003 | |
| Gia (CD, Single, Enh) | Mach1 Records | 1084652 | Germany | 2003 | |
| Gia (CD, Single, Promo) | Ministry Of Sound (Germany), Mach1 Records | 1084652 | Germany | 2003 | |
| Gia (12") | EMI, Positiva | 7243 5 48175 6 4, 12TIV-199 | UK | 2004 | |
| Gia (12") | Positiva | 12TIV-199 | UK | 2004 | |
| Gia (12", Promo) | Positiva | 12TIVDJ-199 | UK | 2004 | |
| Gia (CD, Maxi, Enh) | Positiva | CDTIVS-199 | UK | 2004 | |
| Gia (File, MP3) | Ultra Records | UL 1957 | US | 2008 | |
| Gia (12", Promo) | Not On Label | 100142 |