Real sub-genre, strange but true, belonging to horror, comedy, romance and drama. We all know what anime of this genre contains, come on.

Bakemonogatari

24 min, 69 episodes, 5 season \ vampire - romance - mystery - supernatural

Black Blood Brothers

24 min, 12 episodes, 1 season \ vampire - action - comedy - fantasy - shounen - supernatural

BLOOD+

24 min, 50 episodes, 4 seasons \ vampire - action - military - mystery - horror - drama - supernatural

Blood Blockade Battlefront

22 min, 24 episodes, 2 seasons \ super power - action - comedy - fantasy - shounen - vampire - supernatural

BLOOD-C

24 min, 12 episodes, 1 season \ splatter - vampire - action - mystery - horror - supernatural - school

Blood Lad

23 min, 10 episodes, 1 season \ parody - demons - vampire - seinen - supernatural - action

Dance in the Vampire Bund

25 min, 12 episodes, 1 season \ vampire - action - supernatural

Dance With Devils

30 min, 12 episodes, 1 season \ reverse harem - demons - supernatural - romance - vampire - shoujo

Hellsing Ultimate

45 min, 10 episodes, 1 season \ splatter - action - military - horror - supernatural - vampire - seinen

Jojo's Bizarre Adventure

24 min, 152 episodes, 4 seasons \ vampire - action - adventure - supernatural - shounen

Kizumonogatari Part 1: Tekketsu

1h 5 min, 1 episode, 1 season \ vampire - mystery - action - supernatural

Kizumonogatari Part 2: Nekketsu

1h 5 min, 1 episode, 1 season \ vampire - mystery - action - supernatural

Kizumonogatari Part III: Reiketsu-hen

1h 23 min, 1 episode, 1 season \ vampire - mystery - action - supernatural 

Kurozuka

23 min, 12 episodes, 1 season \ martial arts - action - drama - historical - horror - romance - sci-fi - vampire

Noblesse

25 min, 13 episodes, 1 season \ vampire - school - supernatural - action

Nyanpire

5 min, 12 episodes, 1 season \ vampire - comedy - supernatural

Owarimonogatari

24 min, 21 episodes, 3 seasons \ super power - mystery - comedy - supernatural - vampire

Rosario To Vampire

25 min, 26 episodes, 2 seasons \ ecchi - comedy - romance - vampire - fantasy - school - shounen - harem

Seraph of the End

24 min, 24 episodes, 1 season \ post-apocalyptic - comedy - police - supernatural - vampire - shounen - military

Servamp

25 min, 12 episodes, 1 season \ josei - action - comedy - supernatural - vampire - drama

Shiki

25 min, 22 episodes, 1 season \ splatter - horror - mystery - supernatural - thriller - vampire

Tokyo Ghoul

25 min, 48 episodes, 3 seasons \ splatter - action - mystery - horror - seinen - psychological - supernatural - drama - vampire

Trinity Blood

30 min, 24 episodes, 1 season \ vampire - action - supernatural

Vampire Knight

30 min, 26 episodes, 2 seasons \ vampire - drama - mystery - romance - shoujo - supernatural

Vampire Princess Miyu

30 min, 26 episodes, 1 season \ vampire - action - horror - demons - drama - shoujo

Vassalord

30 min, 1 episodes, 1 season \ yaoi - comedy - supernatural - vampire - mystery - fantasy - action