Factbox: Venice film festival competition lineup

(Reuters) - The 67th Venice film festival, the world's oldest, opens on Wednesday with Darren Aronofsky's psychological thriller "Black Swan." The annual event closes on September 11.

Following are the 23 films announced so far for the main competition. Dozens more are showcased in sidebar events held along the seafront of the picturesque Lido island.

Each title is listed with the name of the director and the main production country.

1. Darren Aronofsky/Black Swan/United States

2. Ascanio Celestini/La Pecora Nera/Italy

3. Sofia Coppola/Somewhere/United States

4. Antony Cordier/Happy Few/France

5. Saverio Costanzo/La Solitudine Dei Numeri Primi/Italy

6. Alexei Fedorchenko/Ovsyanki (Silent Souls)/Russia

7. Vincent Gallo/Promises Written In Water/United States

8. Monte Hellman/Road to Nowhere/United States

9. Alex de la Iglesia/Balada Triste de Trompeta/Spain

10. Abdellatif Kechiche/Venus Noire/France

11. Pablo Larrain/Post Mortem/Chile

12. Richard J. Lewis/Barney's Version/Canada

13. Mario Martone/Noi Credevamo/Italy

14. Carlo Mazzacurati/La Passione/Italy

15. Takashi Miike/13 Assassins/Japan

16. Francois Ozon/Potiche/France

17. Kelly Reichardt/Meek's Cutoff/United States

18. Julian Schnabel/Miral/United States

19. Jerzy Skolimowski/Essential Killing/Poland

20. Anh Hung Tran/Norwegian Wood/Japan

21. Athina Rachel Tsangari/Attenberg/Greece

22. Hark Tsui/Detective Dee and the Mystery of Phantom Flame/China

23. Tom Tykwer/Drei/Germany.

(Writing by Mike Collett-White)