Find out in this guide where Ludwig Merce is in The Witcher 2: Assassins of Kings, if you are still interested in this question, then read on.
The Witcher 2: Assassins of Kings takes place shortly after the events of The Witcher. Geralt has essentially been called in as King Foltest's personal bodyguard, and the king engages troops loyal to his mistress, Baroness Marie Louise La Valette, after what can be described as a love spat. That's where Ludwig Moers is.
Where is Ludwig Merce in The Witcher 2: Assassins of Kings?
Merce - royal burgomaster. He moved from Vizima due to some unspecified problems and settled in Flotsam with the help of his cousin Bernard Loredo. He can usually be found in his house near the main square, east of the scaffold (right behind Fioravanti's shop). Louis Mercé handles bureaucratic affairs in the city and maintains the Royal Mail. He is also responsible for announcements offering rewards for killing monsters.
That's all there is to know about where Ludwig Moers is at The Witcher 2: Assassins of Kings.
