Yes, there are cultural aspects to consider when speaking Czech. Czech culture values politeness and formalities, so it is essential to use appropriate greetings and address people politely. Additionally, it is customary to shake hands when meeting someone for the first time or when saying goodbye. When addressing others, use their title and last name until invited to use their first name. Taking the time to learn about Czech customs, traditions, and etiquette can help you navigate social interactions more smoothly and show respect for the local culture.