W is after V and before X letter in the alphabet.
W, or w, is the twenty-third and fourth-to-last letter of the modern English and ISO basic Latin alphabets. It usually represents a consonant, but in some languages it represents a vowel. Its name in English is double-u, plural double-ues.
w, W / (ˈdʌbəlˌjuː) /
W is the symbol for the chemical element tungsten, after its German (and alternative English) name, Wolfram.
source: Wikipedia
